your car is accelerating to the right from a stop.for the steps and strategies involved in solving a similar problem, you may view a

Because both waves travel at the same speed, we know they must have distinct frequencies in order to have different wavelengths. This is due to the fact that the speed of light in a particular medium is constant,

and the frequency of a wave is inversely related to its wavelength. The speed of light (c) is equal to the product of the wavelength () and frequency (f) in the wave equation: c = f. Because the speed of light is constant, we may rewrite this equation to find frequency: f = c/. We have the following for wave a with a wavelength of 235 nm:

[tex]f_a = \frac{3.00 * 10^8 m/s}{235 * (10-9) m} = 1.28 x 10^{15} Hz[/tex]

We have the following for wave b with a wavelength of 515 nm:

[tex]f_b[/tex] = c / λ b  = 3.00 x 10⁸ m/s / (515 x 10⁻⁹ m) = 5.83 x 10¹⁴ Hz

Therefore, we can see that wave a has a higher frequency than wave b.

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The plot differs for tube radius, viscosity, and tube length in terms of their effect on fluid flow. The effect of each parameter is analyzed and plotted against the velocity profile of the fluid flow.

For tube radius, as the radius increases, the fluid flow velocity increases as well. This can be observed in the plot where the velocity profile is a bell-shaped curve, with the peak shifting to the right as the radius increases.

For viscosity, the effect is the opposite. As viscosity increases, the fluid flow velocity decreases. This can be observed in the plot where the velocity profile is a flatter curve, with a smaller peak as the viscosity increases.

For tube length, there is a similar effect as tube radius. As the length increases, the fluid flow velocity decreases. This can be observed in the plot where the velocity profile is a bell-shaped curve, with the peak shifting to the left as the length increases.

In terms of the comparison with the prediction, the results were mostly in line with what was expected. The plots showed the expected trends for each parameter, and the quantitative analysis confirmed this as well. However, there were some discrepancies between the predicted and actual values, which could be due to experimental error or limitations in the model used.

Overall, the results provided valuable insights into the relationship between these parameters and fluid flow, and can be used to optimize fluid systems for various applications.

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The total horizontal force on the driver when the speed on the same curve is 23.9 m/s is approximately 570.5 N.

To find the total horizontal force on the driver when the speed on the same curve is 23.9 m/s instead, we can use the concept of centripetal force. The centripetal force Fc is given by the formula: [tex]Fc = (mv^2) / r[/tex], where m is the mass of the driver, v is the speed of the car, and r is the radius of the curve.

First, we need to determine the mass of the driver using the given information:
149 N =[tex](m * (14.0 m/s)^2) / r[/tex]

We can rearrange the equation to find the mass: m =[tex](149 N * r) / (14.0 m/s)^2[/tex]
Now we want to find the centripetal force at the new speed of 23.9 m/s.

We can use the same formula: [tex]Fc_new = (m * (23.9 m/s)^2) / r[/tex]

We can substitute the mass equation we found earlier into this equation:
[tex]Fc_new = ((149 N * r) / (14.0 m/s)^2) * (23.9 m/s)^2 / r[/tex]
The r values cancel each other out, leaving: [tex]Fc_new = 149 N * (23.9 m/s)^2 / (14.0 m/s)^2[/tex]

Now, calculate the new force:
[tex]Fc_new = 149 N * (23.9^2 / 14.0^2) ≈ 570.5 N[/tex]
So, the total horizontal force on the driver when the speed on the same curve is 23.9 m/s is approximately 570.5 N.

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The frictional force exerted on the block when it slides along a rough surface is a non-zero force.

When the block comes to a stop, it can be concluded that the frictional force is equal in magnitude to the block's applied force but opposite in direction. This means that the frictional force is doing negative work since it is resisting the motion of the block. In other words, the frictional force is in the opposite direction of the motion and reduces the kinetic energy of the block until it stops.

The magnitude of the frictional force can be determined by the equation:

Ff = μFn, where Ff is the frictional force, μ is the coefficient of friction and Fn is the normal force.

The coefficient of friction is determined by the type of surfaces the block and the ground have. For example, if both the block and the ground are made of steel, the coefficient of friction would be higher than if the block was made of rubber and the ground was made of marble.

Therefore, when a block slides along a rough surface and comes to a stop, we can conclude that a non-zero frictional force is exerted on the block, which is equal in magnitude to the applied force but opposite in direction.

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The correct option is A, the si unit of energy and how is it related to units of mass, distance, and time is joule.

The joule is a unit of measurement used to express energy or work done. It is named after the English physicist James Prescott Joule, who studied the relationship between heat and mechanical work in the mid-19th century. One joule is equal to the amount of energy needed to perform work of one newton-meter.

This means that if a force of one newton is applied over a distance of one meter, one joule of work is done. The joule is used to measure a wide variety of energies, including potential energy, kinetic energy, and thermal energy. It is also used to express the amount of work done by machines, such as engines and generators.

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Complete Question: -

What is the SI unit of energy and how is it related to units of mass, distance, and time?

a. joule

b. watt

c. kilo

d. Newton

A. Magnetic field along the x-axis splits spin-half particles into Sx = +1/2 and Sx = -1/2 beams of equal probability.

B. After Sx measurement, the electron is sent back to the Sz analyzer, with an equal probability of finding it in Sz = +1/2 or Sz = -1/2 spin state.

A. In the second Stern-Gerlach experiment, when the magnetic field is applied along the x-axis, the spin-half particles (e.g., electrons) will again be split into two beams: Sx = +1/2 and Sx = -1/2. The probabilities associated with each value will be 50%, as the spin states along the x-axis are equally probable for a particle initially polarized along the z-axis.

B. If the same electron after the Sx measurement is sent back to the Stern-Gerlach analyzer measuring the Sz, you will find two possible spin values, Sz = +1/2 and Sz = -1/2, as the electron's spin state along the z-axis has been altered by the measurement along the x-axis.

The probabilities for each value will be 50%, as the spin states along the z-axis are equally probable after the measurement along the x-axis.

Therefore, in the second Stern-Gerlach experiment when a magnetic field is applied along the x-axis, spin-half particles are split into two beams of equal probability and if the same electron is sent back to the Stern-Gerlach analyzer there will be an equal probability of finding the electron.

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The density of the hypothetical planet, in kg/m3, is 6,246 kg/m3

V = (4/3)πr3

V = (4/3)π(162 x 106 m)3

V = 9.30 x 1018 m3

The density of the planet in kg/m3

We know that Density is given as

D = Mass ÷ Volume

D = 1027 kg ÷ 9.30 x 1018 m3

D = 6,246 kg/m3

Density is a measure of mass per unit of volume. It is expressed in terms of mass per volume and is typically measured in kg/m3 or g/cm3. Density is an important physical property of matter as it allows us to compare the mass of different substances at the same volume.

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To form cloud droplets in the sky, water vapour molecules must have a surface on which to adhere, a nucleus.

What is Cloud? Cloud is a combination of tiny water droplets or ice crystals that float in the air. Clouds are one of the sky's most beautiful and fascinating features. They come in a variety of forms, including white wispy cirrus clouds to big grey thunderclouds. These vapour droplets are very tiny, about 10 microns in diameter, and can be seen only when they reflect light. What is a nucleus? A nucleus is a tiny particle that serves as a foundation or centre around which other particles aggregate. Aerosols, like dust or salt, are frequently used as nuclei for cloud droplets to develop. It's also worth noting that a surface has to be stable to allow water droplets to form. A dust particle, for example, could be an excellent nucleus for water droplets to develop because it has a stable surface.

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The description of both satellite A and satellite B’s motions are stated below.

A satellite is an object that orbits another object, such as a planet or moon. It is usually a man-made object and can be used for a variety of purposes, such as communications, navigation, weather forecasting, and scientific research.

Satellite A will travel at a slower speed than Satellite B. Satellite A will experience less acceleration due to its lower starting velocity, causing it to travel a shorter distance and take a shorter amount of time to reach its destination.

Satellite B will experience greater acceleration due to its higher starting velocity, causing it to travel a longer distance and take a longer amount of time to reach its destination.

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24 ohm resistor is necessary for a 12 Volt DC battery in order to not burn.

Ohm's Law states that the current (I) flowing through a conductor between two points is directly proportional to the voltage (V) across the two points, and inversely proportional to the resistance (R) between them.

Mathematically, it is represented as:I = V/R

To calculate the resistance needed, rearrange the formula to solve for R:

R = V/I

For example, if the load is drawing 0.5 amps of current from a 12 volt battery, the resistance needed would be:R = 12V / 0.5A = 24 ohms

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The new volume is approximately 23.16 L when the nitrogen gas is compressed from 748 mmHg to 725 mmHg at constant temperature.

Use the combined gas law to determine the relationship between a gas's pressure, volume, and temperature:

P1V1/T1 = P2V2/T2

where the gas's starting pressure, volume, and temperature are P1, V1, and T1, and its ultimate pressure, volume, and temperature are P2, V2, and T2.

The equation may be made simpler by saying: since the temperature is constant.

P1V1 = P2V2

Substituting the given values, we get:

725 mmHg × V2 = 748 mmHg × 22.5 L

Solving for V2, we get:

V2 = (748 mmHg × 22.5 L) / 725 mmHg

V2 = 23.16 L

A gas law known as the combined gas law connects a gas's pressure (P), volume (V), and temperature (T). It combines Boyle's law, Charles' law, and Gay-law, Lussac's three additional gas laws.

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The radius of the cylindrical chamber in the amusement park ride can be calculated using  formula for centripetal force and the given values for velocity and force. In this case, the radius is approximately 14.3 meters.

The person is seated facing the axis, with their back against outer wall. At a given instant, the outer wall moves at a speed of 3.13 m/s, and the person feels a 578 N force pressing against their back.

To determine the radius of the chamber, we can use formula for centripetal force, [tex]Fc = (mv^2) / r[/tex].

Rearranging the formula to solve for r, we get r = (mv^2) / Fc. Substituting the given values, we get[tex]r = (83.6 kg * (3.13 m/s)^2) / 578 N,[/tex] which simplifies to  [tex]r = 14.3 m[/tex]. Therefore, the radius of the cylindrical chamber is approximately [tex]14.3 meters[/tex].

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An efficient system of heat transfer should be designed to maximize the transfer of heat through the different states of matter. To achieve this, the system should account for the heat transfer rates of each of the different states of matter.

For example, solids generally transfer heat at a much slower rate than liquids and gases, so the system should be designed to move the heat through liquid or gas paths as much as possible.

Additionally, the system should be designed to direct the heat through the shortest paths possible, as this will reduce the amount of time needed for the heat to transfer. Finally, the system should be designed with insulators to maximize the amount of heat that is retained in the system. By taking these measures, an efficient system of heat transfer can be designed that will optimize the heat transfer rates.

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c) The rubber band is stretched under a constant tension. when you warm the rubber band under the constant tension it will expand instead of shrinking.

If you warm the rubber band while keeping it under constant tension, it will expand instead of shrinking. This occurs due to the fact that the rubber band's atoms begin to vibrate more as a result of the heat. This vibrating motion produces more space between the atoms, causing the rubber band to expand.

The original condition of the rubber band under constant tension is when a rubber band is stretched, it has an intrinsic tendency to restore its original size and shape when the tension is released. It implies that if the rubber band is heated, it will also restore its original size and shape once the tension is released. It will take the same size as it had before being stretched.

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There are many ways to reduce the amount of waste that we produce. Which of the following is not a reduction or minimization strategy" is: C) Buying individually packaged items, not in bulk container.

Reducing the amount of waste is an important environmental measure, and minimizing waste is a must for a sustainable future, the world produces over 3.5 million tons of waste each day. As a result, it is essential to implement effective waste management strategies to avoid environmental consequences. Some of the strategies for reducing waste are reduce and reuse, this is the most effective way to minimize waste because it reduces the amount of waste that enters the waste stream.

Reduced packaging, an effective way of minimizing waste is reducing the amount of packaging. Less packaging means less waste, and it also saves on costs. Buying items that are reusable, reusable items, like shopping bags and water bottles, are an excellent way to minimize waste. Recycling helps to reduce the amount of waste in the environment by reusing materials. Reducing the amount that a consumer purchases, buying less and using less is the best way to minimize waste. So, the correct answer is option C) Buying individually packaged items, not in bulk container.

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The true statements about the radial (centripetal) acceleration and the tangential acceleration at the end of the blade are: the radial acceleration is non-zero the tangential acceleration is zero

The radial acceleration is non-zero and the tangential acceleration is zero. This is because, the radial acceleration is determined by the formula, ar = (v²)/r

where ar is the radial acceleration, v is the velocity and r is the radius. Thus, since the propeller blade is spinning at a constant rate, the velocity v is constant.

Therefore, the radial acceleration is constant and non-zero.

The tangential acceleration, on the other hand, is given by at = rα

where at is the tangential acceleration and α is the angular acceleration. Since the blade is spinning at a constant rate, the angular acceleration is zero. Therefore, the tangential acceleration is zero.

So, the correct option is the radial acceleration is non-zero and the tangential acceleration is zero.

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Consequently, we must set the ISO to 800 when shooting at 1/500 shutter speed and f/5.6 aperture to preserve adequate exposure.

It suggests setting your shutter speed to 500 Equivalent Focal Length. The 500 rule therefore advises using a shutter speed of 500 20 = 25 seconds if your full-frame equivalent focal length is 20mm.

By increasing the shutter speed from 1/60 to 1/500, it is necessary to account for the variation in light.

The difference in exposure between 1/60 and 1/500 is approximately 3 stops (1/60 → 1/125 → 1/250 → 1/500).

Hence, we must also raise the ISO by three stops in order to account for this difference in shutter speed.

Starting with ISO 100, increasing the ISO by 3 stops will give us:

ISO 100 → ISO 200 (1 stop) → ISO 400 (2 stops) → ISO 800 (3 stops)

Consequently, we must set the ISO to 800 when shooting at 1/500 shutter speed and f/5.6 aperture to preserve adequate exposure.

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The outlets on a household circuit are arranged in c. parallel.

An electrical circuit is a closed path that allows electricity to flow from a source through a conductor, through an electrical load, and back to the source. An electrical circuit has several components, including a voltage source, a conductor, a load, and switches, which are all linked together in a closed path.The arrangement of outlets on a household circuit is in parallel. In an electrical circuit, components are said to be wired in parallel if they are wired such that the current flows through each component independently of the other components.

The outlets on a household circuit are linked together in parallel, which means that each outlet is connected to the same source voltage via a separate wire. Each outlet receives the same voltage, which means that the voltage across each outlet is the same as the voltage across the voltage source. Because each outlet is connected to the source via its wire, each outlet is connected in parallel with the others. This is the reason that when one outlet stops working, the other outlets on the circuit continue to operate.

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Answer:

5.0 m along the floor

Explanation:

i just learned that today

The linear acceleration of the system is a = g (1 - μk) / 3

Tension force in the vertical section of the string is T = M g

Tension force in the horizontal section of the string is 2 M g (1 - μk).

Minimum value of μs is 3 μs + μk ≥ 1

a. The system is in equilibrium when the tension force in the string balances the weight of block A. Therefore: T - M g = M a

where T is the tension force in the string, g is the acceleration due to gravity, and a is the linear acceleration of the system.

The system of block B is subject to a friction force opposing its motion to the right. Therefore: T = 2 M g - μk N

where N is the normal force exerted by the table on block B.

The normal force N is equal in magnitude to the weight of block B, since the block is not accelerating in the vertical direction. Therefore:

N = 2 M g

Substituting N into the equation for T:

T = 2 M g - μk (2 M g)

T = 2 M g (1 - μk)

Substituting this expression for T into the equation for the acceleration: (2 M g) (1 - μk) - M g = M a

Simplifying: a = g (1 - μk) / 3

Therefore, the linear acceleration of the system is: a = g (1 - μk) / 3

b. The tension force in the vertical section of the string is equal in magnitude to the weight of block A. Therefore: T = M g

c. The tension force in the horizontal section of the string can be found by considering the torque equation for the pulley. The torque due to the tension force on the pulley is equal to I α, where α is the angular acceleration of the pulley. Since the pulley is in equilibrium, we have α = 0, and the torque due to the tension force is zero. Therefore, the tension force in the horizontal section of the string is also equal to T, which we found to be equal to 2 M g (1 - μk).

d. The minimum value of μs such that the blocks will not move is given by the condition:

μs ≥ a / g

where a is the linear acceleration of the system.

Substituting the expression for a that we found earlier: μs ≥ (1 - μk) / 3

Multiplying both sides by 3 and adding μk to both sides: 3 μs + μk ≥ 1

Therefore, the minimum value of μs is: μs ≥ (1 - μk) / 3 or equivalently: 3 μs + μk ≥ 1

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The given statement "an object floating in a container of water and partially submerged has the same density as the water" is true.

When an object is placed in water, it sinks until the weight of the water displaced by the object equals the weight of the object.

If an object has the same density as water, it displaces an equal amount of water to its own weight. When it displaces the same amount of water that has an equivalent mass to the object, it will float partially submerged. If the object's density is greater than water, it will sink. If the object's density is less than that of water, it will float entirely above the water's surface.

Density is defined as the mass of an object per unit volume. The formula for density is mass/volume. Density is a crucial physical property that is used to define and classify materials. The density of an object is determined by its mass and volume. The unit of measurement for density is kg/m3 or g/cm3. The density of water is 1 g/cm3, which is why objects with a density of less than 1 g/cm3 float on water.

An object floating in a container of water and partially submerged has the same density as the water.

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The mass of the child is 45.9 kg. Therefore, the answer is option D.

Given that a child stands with each foot on a different scale, the left scale reads 200 N and the right scale reads 250 N. To find the mass of the child, we need to use the formula: Weight = mass × acceleration due to gravity (w = mg). The acceleration due to gravity is 9.8 m/s². Therefore, the weight of the child on the left scale is w1 = 200 N, and the weight of the child on the right scale is w2 = 250 N. We can use these two weights to calculate the mass of the child. The sum of the weight of both scales will be equal to the total weight (w1 + w2 = W). Therefore, the total weight of the child is:

W = 200 N + 250 N= 450 N

We have the total weight of the child, and now we can calculate the mass of the child by dividing the weight by the acceleration due to gravity. Therefore, the mass of the child is:

m = W/g

= 450 N / 9.8 m/s²

= 45.92 kg

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True. An incandescent bulb may have a higher initial cost than other types of lightbulbs, but it uses less energy over its lifetime and thus reduces energy costs.

For an incandescent bulb, the given statement is true. In candescent bulbs are traditional bulbs, which use a filament to create light. These bulbs are less efficient, as they waste most of the electricity they use as heat rather than light. As a result, the bulbs are less cost-effective in the long run.

They use up more energy than modern alternatives such as CFLs (compact fluorescent lights) or LEDs (light-emitting diodes). Despite their low initial cost, incandescent bulbs are not recommended for long-term use. They consume more electricity and thus have a greater impact on the environment. Therefore, it is not true that the energy costs of an incandescent bulb will be low over its life time.

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Answer:

at night unplug EVERYTHING

explanation

when the power is off on a device it still may using a little electricity to recharge the battery inside or keep a clock running, etc. usually there are a lot of things plugged in a home so even if each thing is not using a lot of electricity, ALL the things that plugged in, put together, maybe using A LOT.

Answer:

1. goes to B.

2. goes to D.

3. goes to A.

4. goes to C.

I had to do this in 8th grade so if im wrong sorry.

If im right please mark me brainliest

The amount of water that a plant should take up when the air around it is completely saturated with water, i.e. 100 percent humidity, is the maximum amount of water the plant is capable of taking up from the environment. This is because there is no water left in the air for the plant to absorb.

Humidity refers to the amount of moisture present in the air. The humidity in the air is an important factor for the growth of plants. Humidity refers to the amount of moisture present in the air. The humidity in the air is an important factor for the growth of plants. In addition, the amount of water vapor present in the air determines how much water a plant can take up. As a result, humidity can play an important role in plant water uptake.

When the air around the plant is completely saturated with water, it means that the air has reached its maximum capacity for water vapor. The relative humidity, in this case, is 100%. When the air is completely saturated with water, it becomes difficult for the plant to take up any more water from the environment, as there is no water left in the air to absorb.

Therefore, the amount of water that a plant can take up is limited by the amount of water vapor present in the air.

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Newton's first law can be applied to both static equilibrium and dynamic equilibrium. Thus, both a and c is correct.

Newton's First Law states that an object will remain at rest or in motion in a straight line unless acted on by an external force. This means that static equilibrium, which is a state in which the sum of all forces acting on an object is equal to zero, is an example of Newton's First Law.

A dynamic equilibrium, which is a state in which the sum of all forces acting on an object is equal to its acceleration, is also an example of Newton's First Law.

Therefore, the correct answer is e. both a and c.

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The wavelength of the light you measure is 197.53 nm.

Wavelength is a concept that describes the length of one wave. It's typically measured in meters or nanometers in the context of electromagnetic waves, such as light waves.

The student on the train measured the wavelength of light to be 590 nm, and the speed of the train was 1.18c.

λ2 = λ1 / (1 - (v/c)), where λ1 is the wavelength of the light measured on the train, λ2 is the wavelength of the light measured by you, v is the velocity of the train, and c is the speed of light.

λ1 = 590 nm, v = 1.18c, and c = 3.00 x 108 m/s are the values we'll input.λ2 = λ1 / (1 - (v/c)) is the calculation we'll make.

λ2 = 590 nm / (1 - (1.18c / 3.00 x 108 m/s))We'll begin by simplifying the denominator:λ2 = 590 nm / (1 - 3.93 x 10-3)λ2 = 590 nm / 0.99607λ2 = 591.79 nm

We can round our answer to three significant figures, as the original wavelength measurement had three.λ2 = 592 nm.The wavelength of the light you measure is 197.53 nm.

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The value of the ratio m1/m2 is approximately 0.3559.

Given that a force F applied to an object of mass m1 produces an acceleration of 7.36 m/s², and the same force applied to a second object of mass m2 produces an acceleration of 2.62 m/s².To find the value of the ratio m1/m2, we can use the equation: F = ma Where, F = force m = mass a = acceleration. We have F and a for both objects, and we need to find the ratio of masses m1/m2.Let's write the equation for both objects and then divide the two equations:For object 1:F = m1a1------------------------(1)For object 2:F = m2a2------------------------(2)Dividing the equation (1) by equation (2):m1a1/m2a2 = m1/m2 = (F/m1a1)/(F/m2a2)= (m2a2/F)/(m1a1/F)Now, substituting the values of a1, a2, and F, we get:m1/m2 = (m2 x 2.62)/(m1 x 7.36)= 2.62m2/7.36m1= 0.3559(m2/m1)Therefore, the value of the ratio m1/m2 is approximately 0.3559.

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