A child standing on a bridge throws a rock straight down.
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2. A child standing on a bridge throws a rock straight down. The rock leaves the child's hand...
3. An astronaut is in circular orbit in a satellite around the earth. The astronaut feels weightless because...
4. A quantity that remains constant in uniform circular motion is:
5. A block is place on the inclined plane is stationary...
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The solution provides detailed explanations for the choice for answers. A child standing on a bridge throwing a rock straight down are determined.
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2. Here the child must first throw the rock at V=0. Then the gravitational acceleration is:
G =(v2-v1)/t=v2/t
since the ...
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