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sammy [17]
3 years ago
11

Which of the following statements is true based on the law of conservation

Physics
1 answer:
ipn [44]3 years ago
7 0

Answer:

B

Explanation:

The mass of something before it's been processed is the same as it's mass after the process.

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Polarization is the action of restricting the vibrations of a transverse wave, especially light, wholly or partially to one direction .
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In a vehicle collision, the longer it takes to dissipate kinetic energy, the _______ the force of impact. higher faster slower l
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Explain why the rocket can move at constant speed in outer space.
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Answer:

When the rocket's engines are fired up, the force of gravity is disturbed, and the rocket takes off in the air. Later, as the rocket's fuel runs out, it slows down, comes to a halt, and eventually plummets to Earth's surface. Forces can affect objects in space as well. Spaceships are constantly in motion while traversing the solar system.

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4 0
2 years ago
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Reading glasses of what power are needed for a person whose near point is 125 cm , so that he can read a computer screen at 54 c
Burka [1]

Answer:

1.11 dioptre

Explanation:

d_{i} = Distance of the image = - (125 - 2) = - 123 cm

d_{o} = Distance of the object = 54 - 2 = 52 cm

f = Focal length of the lens

Using the equation

\frac{1}{d_{o}} + \frac{1}{d_{i}} = \frac{1}{f}

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