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OpenStudy (anonymous):
A ball is thrown straight up in the air. When will its kinetic energy be the least before it is caught? A. at the start of its flight B. halfway to the top of its flight C. at the end of its flight D. at the top of its flight
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OpenStudy (anonymous):
kinetic energy depends on velocity.when velocity is least KE will be least.
OpenStudy (anonymous):
when the ball is at the top of its flight it stops momentarily,its velocity dropping to zero.therefore KE will be the least at this point
OpenStudy (anonymous):
so B
OpenStudy (anonymous):
no. D is correct
OpenStudy (anonymous):
right right i new that
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