Question

A 500kg car which was initially at rest travelled with an acceleration of 5m/s it's kinetic energy after4 seconds was?

Answer 1

Answer:

K.E = 1212mv2; m (at + u)2

since, v = at + u = 1212 x 500 [(5 x 4)+ 0]2

= 105j

Answer 2

Answer:

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