a mass of 1 kg is thrown with a velocity of 100 m/s. after 5 second it explode into 2 parts. one part of mass 400g move down with25m/s. find the velocity of other part after collision
a mass of 1 kg is thrown with a velocity of 100 m/s. after 5 second it explode into 2 parts. one part of mass 400g move down with25m/s. find the velocity of other part after collision