A baseball has a momentum of 6.0kg*(m)/(s) south and a mass of 0.15kg. What is the baseball's velocity?

The object is likely exhibiting the property of diamagnetism.

A small rectangular object of unknown material is examined in the laboratory. Iron filings and a compass needle are not attracted to the object. The object is suspended from a light string and is free to swing but does not align itself with Earth’s magnetic field. A strong magnetic field is switched on perpendicular to the long axis of the object. The object changes its orientation so that it partially aligns with the magnetic field. After the field is switched off, the object and string eventually return to their original orientation. Once again, it is observed that iron filings and a compass needle are not attracted to the object. The object most likely is exhibiting the property of Diamagnetism.

Diamagnetism is a type of magnetism that is exhibited by all materials, and it is the weakest type. It results in a repulsive force between the material and an external magnetic field. This repulsion is what caused the object to partially align with the magnetic field when it was switched on.

The lack of attraction between the iron filings and the compass needle indicates that the object is not ferromagnetic or paramagnetic, which are both stronger types of magnetism. When the magnetic field was switched off, the repulsive force between the object and the field was no longer present, allowing the object and the string to return to their original orientation.

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Wasxt is not good. As a result, the system transfers energy to the environment.

How is work completed?

Force may be used to transmit energy. The quantity of energy a force expended to move an item is referred to as the work done. The relationship between Work and Energy is so straightforward.

The work done by a force is calculated as the product of the object's displacement and its component of the applied force in the displacement direction.

Using energy efficiency

Ki + Ui + Wext = Kf + Uf + dEth

Substitute the value by data chart in above equation we get,

4 + 1 + Wasxt = 1 + 2 + 1

Wasxt = 4 - 5

Wasxt = -1 J

Since Wasxt is negative So energy is transferred from the system to the environment.

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Answer:

Nuclear Fusion

Explanation:

The process releases energy because the total mass of the resulting single nucleus is less than the mass of the two original nuclei. The leftover mass becomes energy.

Yep. Those three things are all electronic components.

There are a lot more besides those.

Answer:

i think D

Explanation:

correct me if I wrong

A race car is moving at a constant speed around a track. The race car is changing its velocity as the direction of motion changes.

The primary indicator of an object's position and speed is its velocity. It is the distance that an object travels in one unit of time. The displacement of the item in one unit of time is the definition of velocity.

The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.

As the race car is moving at a constant speed around a track, the magnitude of velocity remains same but during race it may changes its direction of motion, that is why, velocity of it, which depends on both magnitude and direction, may changes.

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According to the given data the total energy (E) of the system is 11.2 m J.

A periodic movement between two sites is what is referred to as oscillation in this type of behavior. Examples of oscillating motion include plucking a guitar string, pendulum swinging, and pogo stick bouncing. The major distinction between oscillation, vibration, and simple harmonic motion is that oscillation is a general term for any repeating fluctuation about a central value, whereas vibration is a term used especially to describe mechanical oscillations.

Energy is given by-

E= 1/2KA²

E = 1/2 ×N/m× (8×10∧-2 m)²

​E = 11.2 m J

Speed of the object-

v = ω[tex]\sqrt{A2-x2}[/tex]

v = [tex]\sqrt{K/m}[/tex]    [tex]\sqrt{A2 - x2}[/tex]

v = [tex]\sqrt{35/55*10-3}[/tex] ×( (8×10-2)∧-2 - (1.20 × 10-2)∧2 )[tex]^{-1/2}[/tex]

v = 25.22 × 0.079

v = 2 m/s.

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Torque is calculated using the formula =|r| |F|sin = | r | | F | sin, where |r| is the size of the lever arm, |F| is the size of the force vector, and is the angle formed between the two vectors.

Under ideal circumstances, M = F x r would be the equation for drive torque. In this instance, r denotes the length of a lever that is fastened to the axis of rotation and whose end is subject to a perpendicular force, F. The point of application, however, may alternatively be chosen at random.

The rotational rate (or "r") of an object is the amount by which a force acting on it rotates it. We'll refer to the force a "F" The moment arm, indicated by the letter "r," is the distance from the pivot point to the point at which the force acts.

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Answer:

13 m/s

Explanation:

The computation of the final velocity is shown below;

We know that

v^2 = u^2 + 2as

Here v represent the final velocity

u denotes the initial velocity

a denotes the acceleration

And, s denotes the displacement

So, the final velocity is  

v^2 = (5)^2 + 2(8)(9)

= sqrt(25 + 144)

= sqrt(169)

= 13 m/s

Answer:

The answer is the third option.

Explanation:

The electrostatic force, Coulomb's force, is a force that depends on the inverse of the square distance, it is a non-contact force.

On the other hand, stretched spring is a contact force, it needs a contact external force.

Therefore, the answer is the third option.

I hope it helps you!

The static friction and the normal force are related to each other as ≤.

Static friction is a force that prevents an item from moving. The friction encountered when persons attempt to move a stationary object on a surface without actually causing any relative motion between the body and the surface on which it is located. Static friction occurs between two fixed things, whereas kinetic friction occurs when two items move. Static friction varies while kinetic friction remains constant.

The normal force is the force exerted by surfaces to prevent solid objects from passing through them. A contact force is normal force. According to Newton's third law, this force on the platform must be followed by an equal and opposite force delivered to the man by the platform. This force is identical to the normal force.

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Answer:

Reflection

Explanation:

this because water reflects light

A jets engine is a device that produces a strong pushing force known as thrust out of liquid fuel that is high in energy.

A rotary engine called a gas turbine converts the flow of combustion into energy.Axial or centrifugal compressors (or both) can be used to boost air pressure and temperature before it enters the combustion chamber. Ambient air is pulled into the engine intake.

By raising internal engine pressure, jet or rocket engines generate thrust.This higher pressure inside the jet and rocket engine causes the forward force to be greater than the backward force.

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From this evidence, you can conclude that the seafloor is not a static feature and is constantly being renewed through the movement of tectonic plates and the creation of new crust at mid-ocean ridges. The age of the seafloor can be used to help understand the history and dynamics of the Earth's crust and how it has evolved over time.

The angle and the direction of the cannonball is calculated to be about 18.435° of west.

Expressed as the ratio between two sides of a right triangle or an angle measure along with a given side, trigonometry can find unknown angle measures and lengths.

Given that,

Velocity of cannonball upward = 10 m/s

Velocity of cannonball to the west = 30 m/s

One of the side lengths reflects the velocity going north (or upward from the horizontal) at 10 m/s. Another side length depicts the speed moving west.

Angle can be calculated by applying trigonometric relation.

tan θ = northward velocity of the cannonball/westward velocity of the cannonball = 10/30

tan⁻¹(tan θ) = tan⁻¹(10/30)

θ = 18.4349°

As, the cannonball was measured from the horizontal, the angle and the direction of the cannonball is about 18.435° of west.

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Solar energy is called renewable because it is abundant in nature and can be filled repeatedly.

Energy is power or strength that can be used for various activities. Energy cannot be created but can be changed from one form to another and can be transferred.

Solar energy is energy produced from the radiant heat of sunlight that can be utilized by all living things on earth, both humans, animals and plants. Solar energy can also be used as an alternative energy because it is environmentally friendly. This energy is included in renewable energy because the amount is abundant and endless even though it is used in large quantities.

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The missing value is D. 98

The table provides information about the speed (m/s), frequency (Hz), and wavelength (m) of a sound wave generated by a musical note, in different mediums (air, glass, and brass). The frequency of the sound wave is constant across the three mediums, but the speed and wavelength will vary depending on the medium. Since we know the frequency and wavelength, we can use the formula:

Speed = Frequency x Wavelength

to find the missing value of the speed of the sound wave in brass.

4,700 = 55 x Wavelength

Wavelength = 4,700/55 = 85.818...

So the missing value is 98 (approximately) in the table.

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Dynamic stretching is typically recommended for individuals preparing for physical activity.

Dynamic stretching involves movements that gradually increase in range of motion and muscle length, such as arm swings, leg swings, and torso twists.

These exercises help to improve flexibility, range of motion, and muscular coordination, as well as increase blood flow to the muscles to prepare them for activity. Static stretching is best done after the activity to help reduce muscle soreness and keep the muscles flexible.

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The types of microscopes that reveals the surface features of small molecules is an atomic force microscope.

The Atomic Force Microscope (AFM) is useful for imaging the surface topography of living, soft materials in their natural settings. It can be used to examine the inherent elastic modulus and receptor-ligand interactions of cells and extracellular matrix, among other mechanical properties. SEM pictures can investigate surface features that are several tenths of a nanometer in size, but AFM resolution is less than 0.1 nm. As a result, AFM can discern objects on flat surfaces with molecular dimensions.

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As stated in the preceding statement When braking, an automobile experiences an average force of 5,145.8 N.

An object is considered to have been pushed if its velocity changes. Depending on whether an item is moving faster, slower, or in a new direction, its velocity may change. Examples of acceleration include a falling fruit, the moon orbiting the earth, and an automobile that has stopped at a stop sign.

v = v o + a t  ( the acceleration will be negative )

9.50 = 16.0 + a * 1.2

a * 1.2 = -16.0 + 9.50

a * 1.2 = - 6.5

a = - 6.5 : 1.2

a = - 5.4167 m/s²

F = m * a

950 kg * 5.4167 m/s²

F = 5,145.8 N ( the average force exerted on a car during braking )

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The plates become sufficiently stable by convection. The almost liquid rocks are moved by the convection currents' growing heat, hence option C is correct.

Rocks flex under the pressure of convection until they entirely fracture. Radiation decay in the core causes convection currents, which are produced by heat rising and sinking inside the mantle.

In convection currents, the plates are moved. The separation of plates occurs when convection currents split close to the Earth's crust.

Therefore, the convergence of convection currents causes plates to move in the same direction.

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Answer:

Weight of a 35kg object on Earth is 350N, while it is 56N on the Moon.

Explanation:

The conversion of mass (kg) to weight (N) on Earth is 1kg to 10N.
Thus, the weight of a 35kg mass on Earth is
35kg × 10 = 350N

On the Moon, conversion of mass to weight is 1kg to 1.6N.
Thus, the weight of a 35kg mass on the Moon is
35kg × 1.6 = 56N

Remember, mass remains constant regardless of location, while weight depends on the strength of the gravitational field.

The time taken is 3.33 ns for light to travel 1.0 cm in a spectrophotometer.

What is time?

Time is defined as a scalar quantity that describes the progression of events in the universe. It is often considered to be the fourth dimension of spacetime, along with the three dimensions of space. Time is closely related to the concepts of causality, or the relationship between cause and effect, and is considered to be a fundamental aspect of the physical universe.

The distance light travels in 1 cm is equal to 1 cm x 10^-2 m. To find out how long it takes for light to travel this distance, we can use the formula:

time = distance / speed

Where distance is the distance light travels (1.0 cm x 10^-2 m), and speed is the speed of light in vacuum (3.0 x 108 m/s).

time = (1.0 cm x 10^-2 m) / (3.0 x 108 m/s)

time = 3.33 x 10^-10 s

To convert this time to nanoseconds (ns), we can multiply the time in seconds by 1 billion (10^9):

time = 3.33 x 10^-10 s x 10^9 ns/s

time = 3.33 ns

Therefore, the time taken is approximately 3.33 ns for light to travel 1.0 cm in a spectrophotometer.

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The frequency of the radiation will be 6.098 x 1014 Hz.

The frequency of a radiation is measured in hertz (Hz) and is the number of complete cycles per second of a wave. It is commonly used to measure electromagnetic radiation, such as radio waves and x-rays.

An argon ion laser emits light at a wavelength of 488 nm.

To find the frequency of this radiation, we need to use the equation f = c/λ, where

c is the speed of light (299,792,458 m/s) and

λ is the wavelength in meters.

Plugging in 488 nm (or 0.000488 m) for λ gives us a frequency of 6.098 x 1014 Hz.

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Answer:

I finish that module I'm sure it's D

Sound intensity level (SIL) is measured in decibels (dB).

What is sound?

Sound is a type of energy created by the vibration of particles in a medium, such as air, that can be heard when it reaches a person or animal's ear. Sound can travel through solids, liquids, and gases, and can have different pitches and volumes.

Sound intensity level is defined as the ratio of the sound pressure to a reference pressure level. It is calculated using the following equation: SIL (dB) = 10 log10 (I/I_0), where I is the sound intensity and I_0 is the reference sound intensity equal to 10^−12 W/m^2.

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'What did you find most challenging about mastering this skill?'

Ahh- What I found most challenging about the passing skill is hitting the ball the right direction. The last time I tried to pass the ball it hit someone in the face. But when I got a hang of it, It was easy until middle game. I tried to hit the ball and I faceplanted into the bar..-

'What did you find easiest about mastering this skill?'

The easiest? Well for me, nothing was easy. I couldn't even serve the ball without hitting it thw wrong direction!! I can't serve or pass a ball without it going the wrong direction or the ball hitting someone in the face! It gotten easier and easier as the game went particuallarly well. My team did end up winning thanks to one of my teammates. I can't play volleyball well at all. It was easy in some cases but hard at the same time.

Hope this helps you! :)

Answer:

Explanation:

This is not exactly Physics but here you go:

What did you find most challenging about mastering this skill? Why?

Setting is the most challenging because it requires many different techniques. There is a designated setter in competition games exactly because it is the most challenging position. It also requires lot of practices with your teammates.

What did you find easiest about mastering this skill? Why?

Serving is the easiest because you literally have the ball in your hand when you serve. Now it is not as easy if you want to make a serve that is difficult to receive. When a player fails to serve, it is usually not because it is tough but rather the player is trying to make a hard or spinning serve.

I am not particularly athletic and above is from a little play time I have had with volley ball in high school.

Turn your head left and right and glance over your shoulder to view what cannot be seen in the side-view mirrors.

What is mirror ?

An item that reflects an image is a mirror or looking glass. When focused through the lens of the eye or a camera, light that reflects off a mirror will reveal a picture of whatever is in front of it. Mirrors reflect light at an equal but opposite angle, which changes the direction of the image.

What is direction?

Direction can refer to a thing's course, the route one must take to get there in particular, the direction something is beginning to take shape, or the direction you are facing. Going straight instead than left is an example of direction.

Therefore, Turn your head left and right and glance over your shoulder to view what cannot be seen in the side-view mirrors.

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