NDA 2025 Physics question

Suppose, a ball of mass M is thrown upwards from a point A and it reaches up to the highest point B and returns back to point A, which one among the following is correct ?

(A)Kinetic Energy at A = Potential Energy at BCorrect
(B)Kinetic Energy at A = Potential Energy at A
(C)Kinetic Energy at B = Potential Energy at B
(D)Kinetic Energy at B = Kinetic Energy at A

Answer: (A)

Solution

Taking A as the reference level, the ball has only kinetic energy at A. At the highest point B its velocity is zero, so all

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Question ID VK-033116