Question

Kinetic energy of an object with mass m moving with a velocity of 25 j find its kinetic energy when velocity is doubled

Answer 1

MASS = m

Velocity = 25

Kinetic energy =½ ×m ×25

= 25/2 m

If Velocity is doubled

MASS = m

Velocity = 25× 2

=50

Kinetic energy new = ½×m×50

= 25 m