You throw a ball at a wall with speed V0 and at an angle of 45 degrees. How far must the wall be away from you so that the ball hits the wall with only a horizontal velocity? A. What are the equations of motion in the x-direction? B. What are the equations of motion in the y-direction? C. At what time does the ball reach its maximum height? D. How far must you be away from the wall so...
A ball hits the wall at a 45-degree angle and is travelling at 3 m/s. If the coefficient of restitution is approximately 0.5, what is the magnitude of the velocity of the ball after bouncing off the wall?
A ball is moving horizontally and strikes a vertical wall from which it rebounds horizontally. The sketch graph shows how the contact force F between ball and wall varies with time of contact t. Fo 0-f 2 The maximum value of F is Fo and the total time of contact between ball and wall is 1T. What is the change in momentum of the bal1?
A ball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. If the ball hits the floor with a speed of 3.30 m/s and rebounds with a speed of 1.50 m/s, determine the following. (a) magnitude of the change in the ball's momentum in kg · m/s (Let up be in the positive direction.) (b) change in the magnitude of the ball's momentum in kg · m/s (Let negative values indicate a decrease...
A steel ball of mass M elastically rebounds off of a steel wall. The ball is originally a distance d from the wall at its path will meet the wall after travelling a distance D while moving at a speed V During the collision the ball has an effective spring constant K. What is the maximum force that the ball feels during the collision? 1. Questions to ask yourself: (a) How long is the interaction? (b) What is the average...
A 0.200 kg ball hits a wall with a velocity of (7.90 m/s )i + (5.30 m/s )j + (4.00 m/s )k . It rebounds from the wall with a velocity of (2.20 m/s)i + (2.50 m/s)j - (5.50 m/s)k In unit-vector notation, what are (a) the change in the ball's momentum, (b) the impulse on the ball, and (c) the impulse on the wall? (a) Number (b) Number (c) Number
A 0.150 kg ball hits a wall with a velocity of (5.1m/s)I + (5.7m/s)j + (5.5m/s)k. it rebounds from the wall with a velocity of (2.8m/s)I + (3.6m/s)j -(3.9m/s)k. In unit-vector notation, what are (a) the change in the ball's momentum, (b) the impulse on the ball, and (c) the impulse on the wall?
A ball hits a wall, it reverses direction then a. The force of the ball on the wall = the force of the wall on the ball. b. The force of the ball on the wall > the force of the wall on the ball. c. The force of the ball on the wall < the force of the wall on the ball. d. The force of the wall on the ball is zero. e. None of the above.
A racquet ball with mass m = 0.252 kg is moving toward the wall
at v = 18.2 m/s and at an angle of θ = 25° with respect to the
horizontal. The ball makes a perfectly elastic collision with the
solid, frictionless wall and rebounds at the same angle with
respect to the horizontal. The ball is in contact with the wall for
t = 0.06 s.
1)
What is the magnitude of the initial momentum of the racquet...
A 3.6-kg steel ball traveling
at 8.0 m/s hits a wall at an angle of ? = 61.0o as shown in the
figure. It bounces off the wall with the same speed and same angle.
If the ball was in contact with the wall for 0.14 seconds, what was
the magnitude of the average force exerted on the ball by the
wall?