Find the kinetic energy of a body of mass 15 kg moving with a velocity of 4 m/s.

K.E= 1/2*m*v^2

where m is mass v is velocity so,

K.E= 1/2*15*(4)^2 ( 4 ka square)

|K.E=120 N/m^2

K.E=120 Joules.