A person of mass M = 90 kg standing on a smooth horizontal plane of ice throws a body of mass m = 10 kg horizontally on the same surface. If the distance between the person and body after 10 seconds is 10 metres, the K.E. of the person (in Joules) is

A person of mass M = 90 kg standing on a smooth horizontal plane of ic

1.	A person of mass M = 90 kg standing on a smooth horizontal plane of ice throws a body of mass m = 10 kg horizontally on the same surface. If the distance between the person and body after 10 seconds is 10 metres, the K.E. of the person (in Joules) is
Answer» `0.45` `4.5` `0.90` ZERO ANSWER :A