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2. A child standing on a bridge throws a rock straight down. The rock leaves the child's hand...
4. A quantity that remains constant in uniform circular motion is:
5. A block is place on the inclined plane is stationary...
Please see the attached file.
2. Here the child must first throw the rock at V=0. Then the gravitational acceleration is:
since the ...
The solution provides detailed explanations for the choice for answers.