Question: A 50 kg cart is moving across a friction-less floor at 2 m/s. A 70 kg boy, riding the cart, jumps off so that he hits the floor with zero velocity.
1. What impulse did the boy give to the cart?
2. What was the velocity of the cart after the boy jumped?

Solution Preview

Momentum = mass * velocity

Impulse = force * time = change in momentum = mass * (Vfinal - Vinitial)
Initial momentum of the car ...

Solution Summary

This solution provides the equations and necessary rationale for completing the components of these physics-based problems. The calculations are provided and completed. This response is just over 100 words.

A volleyball is spiked so that its incoming velocity of +3.8 m/s is changed to an outgoing velocity of -19 m/s. The mass of the volleyball is 0.38 kg. What impulse does the player apply to the ball?

See attached file.
A 8.0 kg bowling ball is rolling down the alley with a velocity of 2.9 m/s. For each impulse, a and b, as shown in Figure 9-3, find the resulting speed and direction of motion of the bowling ball.
_________m/s in the same direction or in the opposite direction?
_________ m/s

A.) In a collision, the time of impact is 36.02 milliseconds and the average force is 518.83 newtons. To the nearest hundredth of a joule*sec what is the impulse?
b.) If the mass of the ball is 3.34 and its velocity before collision is 3.86 m/s, to the nearest hundredth of a m/s, what is its velocity after collision?

Just before it is struck by a racket, a tennis ball weighing 0.560 N has a velocity of (20.0i-4.0j) m/s. During the 3.00 ms that the racket and ball are in contact, the net force on the ball is constant and equal to (-380i+110j)N. What is the x-component of the impulse of the net force applied to the ball? What is the y-componen

A man kicks a 200g ball such that it leaves the ground at an angle of 30 degrees with the horizontal and strikes the ground at the same elevation a distance of 15m away. Determine the impulse of his foot on the ball. Neglect the impulse caused by the ball's weight while its being kicked.

Force of a Baseball Swing. A baseball has mass 0.145 kg.
1. If the velocity of a pitched ball has a magnitude of 45.0 m/s and the batted ball's velocity is 55.0 m/s in the opposite direction, find the magnitude of the change in momentum of the ball.
2. Find the magnitude of the impulse applied to it by the bat.
3. If t

While being thrown, a net force of 132 N acts on a baseball (mass = 140 g) for a period of 4.5 X 10^-2 seconds.
The balls initial velocity is zero before leaving the pitchers hand.
When the batter hits the ball, a net force of 1320 N, opposite the direciton of the balls initial motion, acts on the ball for 9 X 10^-3 seconds du

A bullet, of mass 20g, traveling at 350 m/s, strikes a steel plate at an angle of 30degrees with the plane of the plate. it ricochets off at the same angle, at a speed of of 320 m/s. What is the magnitude of the impulse that the wall gives to the bullet?
a. 300 Ns
b. 0.3 Ns
c. 0.52 Ns
d. 6.7 Ns.