momentum = mass * velocity
if up is +
then momentum before = -4*6 = -24
momentum after = +4*6 = + 24
after - before = 24 - -24 = 24+24 = 48
a ball of mass 4kg falls to the floor ; it lands with aspeed 6m/s.it.bounces off with the same speed.show that its momentum has changed by 48kgm/s.
3 answers
Active my mind
A ball of 4 kg falls to the floor it lands with Speed of 6 m/s it bounces off with the same speed show that its momentum has changed by 48 kg m/s
1 answer