Question

a move in body of 40 Kg as 180 j of ke .Calculate the speed.​

Answer 1

Answer:

K.E =1/2 mv^2

So, v^2= 180/20

v=√9 = 3m/s

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Answer 2

Answer:

Speed = 3m/s answer

Explanation:

KE = ½ mv²

180 = ½ x 40 x v²

180 = 20 x v²

v² = 180/20

v = root(9)

v = 3 m/s