Home
Class 12
PHYSICS
A 500 g ball is released from a height o...

A 500 g ball is released from a height of 4m. Each time it makes contact with the ground, it loses 25% of its kinetic energy. Find the kinetic energy it possess just after the `3^(rd)` hit

A

15 J

B

11.25 J

C

8. 44 J

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

An object is dropped from a height h from the ground. Every time it hits the ground it looses 50% of its kinetic energy. The total distance covered as t to oo is -

A ball is thrown vertically downwards from a height of 20m with an intial velocity v_(0) . It collides with the ground, loses 50% of its energy in collision and rebounds to the same height. The intial velocity v_(0) is (Take, g =10 ms^(-2) )

A golf ball is dropped from a height of 80 m. Each time the ball hits the ground, it rebounds to 1/3 of the height through which it has fallen. Then total distance travelled by the ball is 240 m b. 160 m c. 120 m d. 320 m

A ball falls under gravity from a height of 10 m with an initial downward velocity u. It collides with the ground, losses 50% of its energy in collision and then rises back to the same height. The initial velocity u is

A ball of mass 10 g falls from a height of y 5 m. It rebounds from the ground to a height of 4m. Find : (a) the initial potential energy of the ball, (b) the kinetic energy of the ball just before the ground. striking the ground, (c) the kinetic energy of the ball after striking the ground ,and (d) the loss in kinetic energy on striking the ground . Take g=9.8 m s^(-2) .

A ball is released from some height & rebounds with same speed after hitting the ground.If it travels 20m in first 8 seconds find the no of collision made.

A ball is released from some height & rebounds with same speed after hitting the ground.If it travels 20m in first 8 seconds find the no of collision made.

A particle is released from height H . At certain height from the ground its kinetic energy is twice its gravitational potential energy. Find the height and speed of particle at that height.

A ball dropped from a height of 2 m rebounds to a height of 1.5 m after hitting the ground. Then fraction of energy lost is

An inelastic ball is dropped from a height 100 meter. If due to impact it loses 35% of its energy the ball will rise to a height of