posted by .

A ball with a mass of .2 kg travelling at a speed of 26 m/s is struck by a bat. If the duration of the impulse is .001 seconds and the speed of the ball afterwards is the same as before, what is the average force (to the nearest Newton) of the impact?

  • physics -

    On the other hand, if the magnitude of the average force in the problem above is 20000 N, what is the speed to the nearest m/s after collision?

  • physics -

    (Average force)* (Impact duration)=
    (change in momentum) = 2 M V
    Avg. Force = 2*(0.2)*26/0.001 Newtons

    Crunch the numbers.

    For the second part, solve for the change in momentum. Add it to the initial momentum (which is backwards and negative) to get the final momentum, and from that get the speed.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics- PLEASE HELP

    2. A .12 kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. What is the change in the magnitude of the momentum of the ball?
  2. physics

    A baseball player hits a baseball (m = 0.145 kg) The ball is initially traveling horizontally with speed of 36 m/s. The batter hits a fly ball as shown, with a speed vf = 54 m/s. (a) What is the magnitude and direction of the impulse …
  3. Physics

    A baseball whose mass is 0.25kg is struck by a bat. just before impact, the ball is traveling horizontally ay 40m/s to the left and it leaves the bat at an angle of 30 degrees above the horizontal with a speed of 60m/s. if the ball …
  4. Physic

    A 135 g baseball traveling at a speed of 36 m/s hits a bat and moves back along its incoming trajectory with a speed of 47 m/s. a) What is the impulse delivered to the ball by the bat?
  5. Physics

    A 0.145- kg baseball with an initial speed of 27 m/s rebounds with a speed of 32 m/s after being struck with a bat. If the duration of contact between ball and bat was 1.5 ms, what was the magnitude of the average force between ball …
  6. physics

    In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 13.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 21.0 m/s in exactly the opposite direction. 1. what is the magnitude …
  7. physics

    A batted baseball leaves the bat at an angle of 33.0∘ above the horizontal and is caught by an outfielder 380ft from home plate at the same height from which it left the bat. 1. What was the initial speed of the ball?
  8. physics

    A pitcher throws a 0.141-kg baseball toward the batter so that it crosses home plate horizontally and has a speed of 42 m/s just before it makes contact with the bat. The batter then hits the ball straight back at the pitcher with …
  9. physics

    A golf ball with a mass of 0.080kg initially at rest is given a speed of 50 m.s-1 when it is struck by a golf club. A) If the club and ball are in contact for 1.5 millisecond (0.0015 seconds), What average force acts on the ball?
  10. Physics

    A ball of mass 1.5kg is struck by a bat in the opposite direction to the motion of the ball. Before the impulse the ball is travelling at 16ms^-1 and the impulse of the bat on the ball is 50 Ns. Find the velocity of the ball immediately …

More Similar Questions