Question

How high must a body be lifted to gain an amount of potential energy equal to the kinetic energy it has,when moving at speed of 20 metre per second.( take value of acceleration due to gravity at that place is equals to 10 metre per second square) *
(a) 200m

(b) 20m

(c) 2m

(d) 2000m
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Answer 1

Answer:

B. 2000M

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Answer 2

Answer:

(d) 2000m

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