A 1.2 kg ball is falling in the -y direction at a speed of 25 m/s. The ball strikes the floor and then rebounds with a speed of 10 m/s. What impulse acts on the ball when it is in contact with the floor?
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- A ball of mass 0.160 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.870 m. What impulse was given to the ball by the floor? magnitude directionDuring a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 0.144 kg baseball crashing through the pane of a second-floor window in a nearby building. The ball strikes the glass at 14.9 m/s, shatters the glass as it passes through, and leaves the window at 11.9 m/s with no change of direction. What is the direction of the impulse that the glass imparts to the baseball? A) opposite the direction of the ball's motion B) neither of these C) in the direction of the ball's motion Calculate the magnitude of this impulse (a positive number) in N*s. The ball is in contact with the glass for 0.0102 s0.0102 s as it passes through. Find the magnitude of the average force of the glass on the ball (a positive number). calculate the average force in N.A ball of mass 0.165 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.920 m. What impulse was given to the ball by the floor? kg-m/s
- A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm/s. As a result of the collision, the first ball moves at 50.0 cm/s, and the second ball stops. What is the change in kinetic energy of the system as a result of the collision?A cruise ship with a mass of 1.83 x 10' kg strikes a pier at a speed of 0.652 m/s. It comes to rest 4.94 m later, damaging the ship, the pier, and the tugboat captain's finances. Calculate the average force (in N) exerted on the pier using the concept of impulse. (Hint: First calculate the time it took to bring the ship to rest. Assume the ship moves in the positive direction. Indicate the direction with the sign of your answer.)A 2.0 kg cart moves forward at 5.0 m/s, when it is struck from behind by a 0.50 kg cart moving at 15 m/s. If all motion is linear, and the collision is cushioned by a perfectly elastic bumper, what is the velocity of both carts after the collision?
- A block (mass 4 kg) is initially moving to the left at 10 m/s. After hitting the wall, the ball is moving to the right at 5 m/s. What is the impulse of the net force on the ball during its collision with the wall?A 40.0-g bullet moving at a 250.0 m/s passes through a 2.40 cm thick sheet of foam plastic and emerges with a speed of 90.0 m/s. Assuming that the speed change takes place uniformly, calculate the average force that impeded the bullet's motion through the plastic. (Hint: You can apply the impulse-momentum theorem to solve the problem.)A rubber ball of mass 29.5 g is dropped from a height of 1.95 m onto a floor. The velocity of the ball is reversed by the collision with the floor, and the ball rebounds to a height of 1.55 m. What impulse was applied to the ball during the collision?
- 24.A 2.4 kg ball drops vertically onto a floor, hitting with a speed of 25 m/s. It rebounds with an initial speed of 10 m/s. (a) What impulse acts on the ball during the contact?(b) If the ball is in contact with the floor for 0.020 s, what is the magnitude of the average force on the floor from the ball? a. 42 kg m/s, 2100N b. 84 kg m/s, 4200N c. 84 kg m/s, 2100N d.42 kg m/s, 4200NA 0.05-kg toy car is initially moving at 1.4 m/s. Since the battery is losing power, the toy car has slowed down to 0.7 m/s. Calculate the impulse of the toy car. Input the numerical value only; do not include the units.A rubber ball of mass 30.0 g is dropped from a height of 2.00 m onto a floor. The velocity of the ball is reversed by the collision with the floor, and the ball rebounds to a height of 1.50 m. What impulse was applied to the ball during the collision?