A schema is a cluster of beliefs that allow one to process information about people, emotions, and events. please select the best answer from the choices provided t f

Answer: The answer is 800 J

Explanation:

The image of the tree between the focus point F and the mirror moves behind the curved mirror. This is further explained below.

A smooth surface such as glass that reflects pictures In the mirror, the law of reflection says that when a ray of light is produced to fall on a reflecting surface, the reflected ray has its angle of reflection, the incident ray has its angle of reflection, and the reflected ray is normal to the surface at a point of incidence.

In conclusion, Behind the curved mirror, the image shifts.

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Answer: The image moves behind the curved mirror.

Hope this helps :)

Answer:

option b has the correct answer of given statement

Answer:

24000

Explanation:

Option C is the sequence which correctly represents the displacement of the string as the pulses interfere.

This is defined as a phenomenon that occurs when two waves meet while traveling along the same medium.

When a wave pulse encounters a free end then it reflects the same way as incident path which is depicted in option C.

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a) The mirror's radius of curvature will be 2.7 cm

B)  The magnification of the image will be 4.0.

When a hollow spherical is divided into pieces and the exterior surface of each cut portion is painted, it forms a mirror, with the inner surface reflecting the light.

From the mirror equation;

[tex]\frac{1}{p}+\frac{1}{q} =\frac{1}{f} \\\\ \frac{1}{1}+\frac{1}{-10} =\frac{1}{f} \\\\ \frac{1}{f} = 1-\frac{1}{10} \\\\ \frac{1}{f} = \frac{9}{10} \\\\ f= 1.1111[/tex]

Hence,

The radius of curvature is twice of the focal length;

[tex]\rm R = 2f \\\\ \rm R = 2\times 1.111 \\\\ R=2.2222 \ cm[/tex]

Hence, the mirror's radius of curvature will be 2.7 cm.

The magnification factor is found as;

[tex]\rm m = \frac{-q}{p} \\\\ m = \frac{-(-10)}{1} \\\\ m = 10[/tex]

Hence, the magnification of the image will be 4.0.

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All the stars you see with your unaided eye are part of the galaxy called the milky way.

The term galaxy refers to a collection of stars. We have to note that various planets have their own individual galaxies.

All the stars you see with your unaided eye are part of the galaxy called the milky way.

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The number of  hydrogens converts to helium in a second will be 3. If all the energy of the sun is coming from the hydrogen to helium fusion process.

When the temperature in the core hits around 100 million degrees, the helium will begin to fuse into carbon in a mechanism known as the triple-alpha process

The given data in the problem is;

The Sun's effective temperature is,T= 5700K

The radius IS,R=696,340 km.

The energy emitted is found is;

[tex]\rm E = 4 \pi \sigma R^2T^4 \\\\ \rm E = 4 \times 3.14 \times 5.67 \times 10^{-8} \times (6.9634 \times 10^8)^2 \times (5700)^4 \\\\ E= 36451449876.6 \times10^{16} \ Joule \\\\ E = 3.65 \times 10^{26} \ J[/tex]

If 26.7 MeV energy is required in hydrogen to helium fusion process;

[tex]\rm 26.7 \ MeV = 4 \ hydrogen \\\\ 26.7 \times 10^6 \times 1.6 \times 10^{19} = 4 \ hydroge n \\\\ 3.65 \times 10^{26} = \frac{4 \times 3.65 \times 10^{26} }{26.7 \times 1.6 \time 10^{-13}}[/tex]

[tex]\rm n = 0.34 \times 10^{39} \\\\ n= 3.4 \times 10^{38} \ hydrogen[/tex]

Hence, hydrogens convert to helium in a second will be 3.4 ×10³⁶.

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Answer:

125.66 R/s

Explanation:

First    1200  r / min = 20 r/sec

20 r/s  *  2pi Radians / r = 40 pi Radians / sec = 125.66 R/s

The speed of the water in the wider part will be 1.194 m/sec. Speed is a time-based quantity. Its SI unit is m/sec.

Speed is defined as the rate of change of the distance or the height attained.

The given data in the problem is;

The initial diameter is,[tex]\rm d_1 = 2.2 \ cm[/tex]

initial radius,

[tex]r_1 = \frac{d_1}{2} \\\\ r_1 = \frac{2.2}{2} \\\\ r_1 = 1.1\ cm[/tex]

The initial crossection area;

[tex]\rm A_1 = \pi r_1^2 \\\\ \rm A_1 = 3.14 \times (1.1\times 10^{-2})^2 \\\\ \rm A_1 =3.8 \times 10^{-4} \ m^2[/tex]

The final crossection area;

[tex]\rm A_2 = \pi r_2^2 \\\\ \rm A_2 = 3.14 \times ( 2 \times 10^{-2})^2 \\\\ \rm A_2 = 12.56 \ m^2[/tex]

The initial flow rate is;

R = density ×velocity ×area

[tex]\rm R = \rho A V \\\\ 1.5 = 1000 \times V_1 \times 3.8 \times 10^{-4} \\\\ V_1 = 3.947 \ m/sec[/tex]

The speed of the water in the wider part will be;

From the continuity equation;

[tex]\rm A_1 V_1 = A_2V_2 \\\\\ 3.8 \times 10^{-4} \times 3.947 = 12.56 \times 10^{-4} \times V_2 \\\\ V_2= 1.194 \ m/sec[/tex]

Hence, the speed of the water in the wider part will be 1.194 m/sec.

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Answer:

B

Explanation:

Digestive as it has enzymes that turn food into energy.

Answer: temperature

Explanation: i took the quizz

For a grating having 350 rulings/mm, longest wavelength is mathematically given as

lambda_max=3.704*10^{-7}m

Generally, the equation for the wavelength is mathematically given as

lambda=dsin\theta/6

Therefore, for lamda_max theta=\pi/2

lambda_max=dsin\pi/2 /6

In conclusion

lambda_max=d/6

lambda_max=3.704*10^{-7}m

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Answer:

(a) and (b)

Both will follow the rule

This is due to property of charges.

As in case of gravitational potential energy as it increases as height increases.

In case of electrical potential energy it will increase as charges comes close.

Explanation:

have a good day:))

Answer:

i beleive its A and B will both follow the rule

This is due to property of charges.

hope this helped

Explanation:

Answer:

what is this i am in class 7 i dont know and not read yet

Answer:-

The terminal velocity of a steel ball 2 mm in diameter falling through glycerin is 44×10 - ²

cm/s (Given that specific gravity of steel = 8, specific gravity of steel =8, specific gravity of glycerin a 1.3, viscosity of glycerine 8.3 poise.) .

Answer:

don't know

Explanation:

don't know cause i don't read physic

Answer:

Study of static electricity and the condition under which electricity is conducted by different substances.

Answer:

I would probably say C to be completely honest

Explanation:

If you agree make sure to give me a like

Answer:

spin faster

Explanation:

-

Answer:

A galaxy containing substantial amounts of dark matter will spin faster

Answer: V' = 1.514m/s

Explanation: Given the Impulse-Momentum Theorum, this is a description of an INELASTIC Collision. When you hug, you stick, making it inelastic.


Formula: m1xV1+m2xV2= pTotal, or total momentum

m1=60kg

V1=1.5m/s

m2=45kg

V2=2.2m/s

so (60)(1.5)+(45)(2.2)=159 kgm/s

To find the Resultant velocity of the lover(s) - plural (signalling inelastic)

you would take the sum of the m1+m2, which is 105kg-> then create the equation 159/105, which is the total momentum divided by the total mass, which would equate to the resultant velocity of an inelastic collision.

Hope this helped.

Answer:

See image below

Explanation:

See image

Answer:

B.Smooth, wide shape with a curved edge

Helium nuclei splitting to form hydrogen, and the Sun will no longer release energy will occur when all the hydrogen in the sun undergoes fusion.

This occurs when two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.

In a situation where all the hydrogen in the sun has undergone fusion, the helium nuclei will split to form hydrogen, and the Sun will no longer release energy.

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To increase the force required to move an object without change mass is : To increase the acceleration of the object

Given that Force = Mass * acceleration

An increase in the acceleration of an object in motion will result in a proportional increase in the Force required to move the object becasue force of an object is directly proportional to the acceleration of an object.

Hence we can conclude that To increase the force required to move an object without change mass is To increase the acceleration of the object.

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The buoyant force of air will be 246.25 N.Buoyancy force is the multiplication of the density, gravity, and volume.

A fluid exerts an upward force against the weight of a partly or completely submerged item. The weight of the overlying fluid causes pressure to rise with depth in a column of fluid.

The buoyancy force is found by the formula as;

[tex]\rm F_B = \rho g V[/tex]

[tex]\rm \rho[/tex] is the density

g is the acceleration due to gravity

V is the volume

[tex]\rm F_B[/tex] is the buoyancy force

The volume of the spherical balloon is;]

[tex]\rm V= \frac{4}{3} \pi r^3 \\\\ \rm V= \frac{4}{3} \times 3.14 (17.0 \times 10^{-2})^3 \\\\ V=0.2056 \ m^3[/tex]

The buoyancy force is found by the formula as;

[tex]\rm F_B = \rho g V \\\\ \rm F_B = 1.20 \times 9.81 \times 0.2056 \\\\F_B = 246.25 \ N[/tex]

Hence the buoyant force of air will be 246.25 N.

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The force f of the elevator on the man keeps reducing as the elevator keeps going up while the gravitational force mg keeps increasing moving upwards.

An elevator is an electrical device that lifts people up and down a tall building or structure.

for the elevator to go up, f > mg.

for the elevator to come down mg > f.

Analysis

since the force on the man is f = ma

where a is the acceleration of the elevator, then it means when a increases,  f will increase and when it decreases, f would decrease. slowing down means a, is decreasing going up and this reduces the force as the elevator keeps going up.

on the other hand, gravity acts faster on bodies that are slower in motion so since g, increases going up, mg would also increase.

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Answer:

-13

Explanation:

Function

Solving