# physics

when a tennis ball is served, it is a contact with the racket for a time that is typical 0.005 seconds. find the force needed to serve a 60.0 gram tennis ball moving with a velocity of 30.0m/s

1. change in momentum = 0.060 kg * 30 m/s

time = 0.005 seconds

force = change in momentum/ time

posted by Damon

## Similar Questions

1. ### physics

The mass of a regulation tennis ball is 62.0 (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 34.0 . (This number can also vary, depending on the racket and swing.) We
2. ### physics

a tennis player swings her 1000g racket with a speed of 6.00 m/s. she hits a 60g tennis ball that was approaching her at a speed of 18.0 m/s . the ball rebounds at 43.0 m/s. a)how fast is her racket moving immediately after the
3. ### physics

A man is playing tennis and a tennis ball (m=1.2 kg) approaches his tennis racket with a speed of 8.0 m/s. His racket is in contact with the ball for 2.0 ms and sends the ball flying in the opposite direction with a speed of 6.0
4. ### PHYSICS HELP!

When a tennis player hits .6kg tennis ball, the racket applies an average force of 250 N to the ball for a time about .15 seconds. Suppsoe that after the colliding, the 1 kg ball was measured to be moving to the left, but onl at
5. ### PHYSICS HELPPPP!

When a tennis player hits .6kg tennis ball, the racket applies an average force of 250 N to the ball for a time about .15 seconds. Suppsoe that after the colliding, the 1 kg ball was measured to be moving to the left, but onl at
6. ### physical science

a tennis player hits a ball of mass 200 g,which is moving towards him with a velocity of 30m/s west. calculate the impulse of the ball. b.the force the racket will exact on the ball if the time of contact is 0.2 seconds
7. ### physics

A tennis ball has a velocity of 25 m/s and a mass of 57.5 g. After the ball hits a tennis racket, the velocity becomes twice that of the original speed and goes in the opposite direction. What is the force between the ball and the
8. ### Physics

A tennis ball of mass 58g is thrown 5m into the air before served. Calculate the velocity of the tennis ball just before it is hit with the tennis racket.
9. ### physics

a 0.055kg tennis ball approaches a tennis racket at 25m/s, stays in contact with it for 0.010s, is reversed in direction leaves the racket at 40m/s. what is the avg force between the racket and ball?
10. ### Physics

A tennis ball may leave the racket on a serve by a top player with a speed of 45.0 m/s. If the ball's mass is 0.063 kg, and it is in contact with the racket for 0.030 s, what is the average force (in newtons) on the ball?

More Similar Questions