Question

The kinetic energy of a body of mass 2kg is 25J it's speed is

Answer 1

Answer:

5 m/s

Explanation:

KE=1/2mv^2

plug in the values

25=1/2*(2)*v^2

25/(1/2)=2v^2

50=2v^2

50/2=v^2

25=v^2

sqrt(25)=v

v=5m/s