a man 60 kg skating with a speed of 10 m/s collides with 40 kg skater at rest and they cling to eachother. Find the loss in kinetic energy?

Answer 1

figure initial KE
1/2 60 10^2=
final KE
momentum.. (60+40)V=60*10 V= 6m/s
final ke then 1/2 100*6^2

you figure the loss.

Answer 2

1800J

Answer 3

Bobpursley can u write it for me in a better way than what you have written