Question

if mass of abody is 40kg and intial speed is 10m/sif mass of a body is 40 kg and initial speed is 10 metre per second and acceleration is equals to 20 metre per second square and time equals to 5 seconds find out the kinetic energy possessed by the body?

Answer 1

KE=0.5 m v^2
=0.5×40×10×10=2000J=2kJ