Question

two bodies of masses 2kg and 3 kg have same momentum, K.E. of 3kg mass is 10J. then K.E. of 2kg mass​

Answer 1

Answer:

If the momentum is constant then, k1k2=m2m1

10k2=23

k2=302=15J

Answer 2

Answer:

k1 / k2 = m2 / m1

10 / k2 = 3 / 2

k2 = 3/2×10

k2 = 15 J