Question

how fast should a boy of mass 25 kg run to acquire a kinetic energy of 500 Joule and calculate the momentum also ​

Answer 1

Answer:

12500

Explanation:25*500

Answer 2

Given. m=25kg

KE=500J

As. KE=1/2×mv^2

So. 500=1/2×25×v^2

1000/25 = v^2

this implies. v^2=40

so v becomes, v=20