Question

A 5kg ball is drpped from a height of 10m. Find its kinetic energy before it reaches the ground

Answer 1

v^2 =u^2 +2as

v2= 2*9.8*10

v2=49*4

v=14

k.e= 1/2 mv2

1/2*5*14*14

5*7*14

35*14

490 joule

Answer 2

Here is your answer


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