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Physics question
Billy, a mountain goat is rock climbing on his favorite slow one sunny spring morning when a rock comes hurtling toward him from a ledge 40.0m above. Billy ducks and avoids injury. a. How fast is the rock traveling when it passed Billy? b. How does this speed compare to that of a car traveling down the highway at the speed limit of 25 m/s (equivalent to 55mi /h)?
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