Question 13 A marble moving with some velocity collides

Last updated: 6/18/2023

Question 13 A marble moving with some velocity collides perfectly elastically head on with anothermarble at rest having mass 1 5 times the mass of the colliding marble The percentageof kinetic energy by the colliding marble after the collision is a 4 b 25 hs c 44 d 67 Question 14 A body of mass 100 kg falls from a height of 10 m Its increase in kinetic energy is