Question

find the momentum of a body of mass 5 kg having kinetic energy 500j

Answer 1

p=mv
kE= 1/2mv²
500= 1/2 *5*v²
1000=5*v²
200=v²
v= √200
=14.1
so p= mv
5*14.1
70.5kgms-¹

Answer 2

Here is your answer friend. ...