When dribbling a 0.6 kg basketball, it is beneficial to be able to move laterally. During...
When dribbling a 0.6 kg basketball, it is beneficial to be able to move laterally. During one dribble, a ball begins moving down and to the right, perfectly at 45 degrees below horizontal, with a speed of 0.6 m/s. The ball bounces off the ground and is now moving at 0.5 m/s, up and to the right at 40 degrees above horizontal. Use a combination of momentum diagrams and force diagrams to determine the average force that the ground applies to the ball during the 0.2 seconds the ball is in contact with the ground.
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When dribbling a 0.6 kg basketball, it is beneficial to be able
to move laterally. During...
5. A 0.6 kg ball is dropped with no initial speed from a height of 8...
5. A 0.6 kg ball is dropped with no initial speed from a height of 8 m. The ball bounces off the ground vertically, reaching a height of 7 m. Calculate: (i) The speed of the ball when it hits the ground. (ii) The speed of the ball when it nounces off the ground. (iii) The (magnitude of the) impulse provided by the ground. 6. A 0.2 kg ball hits a bat at 20 m/s and bounces back at 40...
A racquet ball with mass m = 0.252 kg is moving toward the wall at v...
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...
8. A 0.145 kg baseball pitched at 35.0 m/s is hit on a horizontal line drive...
8. A 0.145 kg baseball pitched at 35.0 m/s is hit on a horizontal line drive straight back at the pitcher at 50 m/s. If the contact time between the bat and the ball is 0.020 seconds, then: a. calculate the change in momentum of the ball. b. calculate the average force between the bat and the ball during contact.
A 0.12-kg ball is moving at 6 m/s when it is hit by a bat, causing...
A 0.12-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 magnitude of the change in the momentum of the ball? 0.39 kg middot m/s 0.42 kg middot m/s 1.3 kg middot m/s 2.4 kg middot m/s Alex throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5 m/s, and just after is 3.5...
A billiard ball with a mass of 0.15 kg is moving with a velocity of <...
A billiard ball with a mass of 0.15 kg is moving with a velocity of < 5, 0, 0 > m/s. It collides with a 2nd billiard ball of mass 0.20 kg initially moving at < -7, 0, 0 > m/s. After the collision, you observe the 2nd billiard ball moving at < 0.13, 0, 0 > m/s. a) What is the velocity of the 0.15 kg billiard ball after the collision? b) What is the vector change in momentum...
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the...
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1 kg-m/s. What is the magnitude of the ball's velocity, just before hitting the floor? | 1 a. 2.3 m/s (2b. 3.2 m/s (3) c. 5.2 m/s 4 d. 10 m/s © e. 27 m/s A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1...
A racquet ball with 0.500 kg mass is moving toward the wall at a speed of...
A racquet ball with 0.500 kg mass is moving toward the wall at a speed of 20.0 m/s and at an angle of 35 degree 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 a time interval of 0.0850 s. What is the average force on the ball during die collision process?...
10.7 A soccer player deflects a soccer ball by kicking it. Initially the soccer ball (mass 0.40 kg) is moving horiz...
10.7 A soccer player deflects a soccer ball by kicking it. Initially the soccer ball (mass 0.40 kg) is moving horizontally to the left witha speed of 20.0 m/s. The kick causes it to have an initial, post-kick velocity of 30.0 m/s with an angle of 45 upward and to the right. If the time that the player's foot is in contact with the soccer ball is 0.010 seconds find: A. The impulse of the net force The average net...
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s...
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s along a horizontal road where a frictional force is 200N. Calculate the power developed by the engine. If the car now moves up an incline at the same constant speed, calculate the new power developed by the engine. Assume that the frictional force is still 200 N and that sin(theta)=1/20 where theta is the angle of the incline to the horizontal. Problem 2: An...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far does the car travel before stopping? th a constant braking force of 10. A baseball batter hits an incoming 45 m/s fastball. The ball leaves the bat at 55 m/s after a ball-on-bat contact time of 0.025 s. What is the force exerted on a 0.15-kg baseball? (choose + direction) 11. A trapeze artist, with swing, weighs 800 N; he is momentarily held horizontal...
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...
8. A 0.145 kg baseball pitched at 35.0 m/s is hit on a horizontal line drive straight back at the pitcher at 50 m/s. If the contact time between the bat and the ball is 0.020 seconds, then: a. calculate the change in momentum of the ball. b. calculate the average force between the bat and the ball during contact.
A 0.12-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 magnitude of the change in the momentum of the ball? 0.39 kg middot m/s 0.42 kg middot m/s 1.3 kg middot m/s 2.4 kg middot m/s Alex throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5 m/s, and just after is 3.5...
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1 kg-m/s. What is the magnitude of the ball's velocity, just before hitting the floor? | 1 a. 2.3 m/s (2b. 3.2 m/s (3) c. 5.2 m/s 4 d. 10 m/s © e. 27 m/s A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the magnitude of the basketball's momentum is 3.1...
A racquet ball with 0.500 kg mass is moving toward the wall at a speed of 20.0 m/s and at an angle of 35 degree 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 a time interval of 0.0850 s. What is the average force on the ball during die collision process?...
10.7 A soccer player deflects a soccer ball by kicking it. Initially the soccer ball (mass 0.40 kg) is moving horizontally to the left witha speed of 20.0 m/s. The kick causes it to have an initial, post-kick velocity of 30.0 m/s with an angle of 45 upward and to the right. If the time that the player's foot is in contact with the soccer ball is 0.010 seconds find: A. The impulse of the net force The average net...
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s along a horizontal road where a frictional force is 200N. Calculate the power developed by the engine. If the car now moves up an incline at the same constant speed, calculate the new power developed by the engine. Assume that the frictional force is still 200 N and that sin(theta)=1/20 where theta is the angle of the incline to the horizontal. Problem 2: An...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far does the car travel before stopping? th a constant braking force of 10. A baseball batter hits an incoming 45 m/s fastball. The ball leaves the bat at 55 m/s after a ball-on-bat contact time of 0.025 s. What is the force exerted on a 0.15-kg baseball? (choose + direction) 11. A trapeze artist, with swing, weighs 800 N; he is momentarily held horizontal...
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