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Q1. A rocket moves with a velocity of 0.818c to the right with respect to a stationary observer A. An observer B moving relative to observer A finds that the rocket is moving with a velocity of 0.922c to the left. What is the velocity of observer B relative to observer A?
Q2. A diver shines a light up to surface of a flat glass-bottomed boat at an angle of 36 relative to the normal. If the indices of refraction of air, water, and glass are 1.0, 1.33, and 1.5 respectively, at what angle does a light leave the glass (relative to its normal)?
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A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving.
A bullet of mass 0.0022 kg initially moving at 496 m/s embeds itself in a large fixed piece of wood and travels 0.64 m before coming to rest. Imagine that an acceleration of the bullet is constant.
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