Assuming that 2 0 of mechanical energy is lost in the form of thermal energy.
A ball is dropped 1 m to the floor.
A 4 28 n s upward b 4 28 n s downward c 8 56 n s upward d 8 56 n s downward.
Calculate the average force the floor exerts on the ball.
A rubber ball with a mass 0 20 kg is dropped vertically from a height of 1 5 m above the floor.
A calculate its velocity just before it strikes the floor.
Heat capacity of the ball is 800 j k 1.
The ball bounces off of the floor and during the bounce 0 60 j of energy is dissipated.
While the magnitude and the direction of the impulse of the net force applied to the ball during the collision with the floor.
A ball is dropped on a floor from a height of 2 0 m.
If the specific heat capacity of the ball is 8 0 0 j k then the rise in temperature of the ball during collision is take g 1 0 m s 2.
After the collision it rises upto a height of 1 m.
After the collision it rises up to a height of 1 5 m.
A determine the magnitude and direction of the impulse delivered to the ball by the floor.
B suppose the ball is in contact with the floor for 0 05 s.
A 0 5 kg ball is dropped from rest at a point 1 20 m above the floor.
A ball is dropped on a floor from a height of 2 m.
A steel ball is dropped onto a hard floor from a height of 1 50 m and rebounds to a height of 1 45 m.
Assume that 40 of the mechanical energy lost goes as thermal energy into the ball.
Calculate the rise in the temperature of the ball in the collision.
If the ball is in contact with the floor for 0 02 sec its average acceleration during contact is.
The ball rebounds straight upward to a height of 0 7 m.