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sang
Questions (2)
A 75 kg person and a 200 kg crate are each parachuted to earth from a plane. Which statement is correct?
a. the crate will reach
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A 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it:
a. both
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Answers (1)
B) To answer this question you use 1/f = 1/v + 1/u where f is the focal length, v is the image distance, and u is the object distance v = 1/(1/24 - 1/43) = 54.3cm Note that since the object distance exceeds the focal length, the image will be real and
