Question

What is the mass of an object it with akinetic energy of 100J and avelocily of 5m/s

Answer 1

Answer:

M=8kg

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Answer 2

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v=5m/s

k=100j

using k = 1/2(mv^2)

100j = 1/2(m(5)^2)

200 = m(25)

m=8kg