suppose you throw a ball up in the air and it comes back down to the same place

Question

suppose you throw a ball up in the air and it comes back down to the same place you threw it from. ignoring time when the ball is in contact with your hand, and ignoring air resistance (friction with the air) , identify the point (s) of
A. Maximum and minimum potential energy !!
B. Maximum an minimum kinetic energy!!
C. Maximum and minimum total mechanical energy !! suppose you throw a ball up in the air and it comes back down to the same place you threw it from. ignoring time when the ball is in contact with your hand, and ignoring air resistance (friction with the air) , identify the point (s) of
A. Maximum and minimum potential energy !!
B. Maximum an minimum kinetic energy!!
C. Maximum and minimum total mechanical energy !! suppose you throw a ball up in the air and it comes back down to the same place you threw it from. ignoring time when the ball is in contact with your hand, and ignoring air resistance (friction with the air) , identify the point (s) of
A. Maximum and minimum potential energy !!
B. Maximum an minimum kinetic energy!!
C. Maximum and minimum total mechanical energy !!

Explanation / Answer

Refer above figure,

A) Point A and C are at lowest height and point B is at highest height hence at point A and C PE is minimum and at point C it’s maximum.

B) Point A and C are at lowest height and point B is at highest height hence at point A and C KE is maximu and at point C it’s minimum.

C) Since ME(Total) = KE+PE

ME remains constant at each point along the trajectory.

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