Question

Calculate the kinetic energy of an object weighing 600 kg moving at a velocity of 30 metre/second

Answer 1

we know we=1/2mv^2
=1/2.6oo.900=300.900=270000

Answer 2

kinetic energy=1/2 ×mass ×velocity^2
=1/2 ×600×30×30
=300×900
=270000joule or kgm/sec