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A crate of mass 5.00 kg slides down a frictionless incline and across...
To push a 26.0 kg crate up a frictionless incline, angled at 25.00 to the horizontal,...
To push a 26.0 kg crate up a frictionless incline, angled at 25.00 to the horizontal, a worker exerts a force of 214 N, parallel to the incline. Assume that the crate slides 1.50 m. (a) What is the work done on the crate by the worker's applied force? (b) What is the work done by the gravitational force on the crate? (c) What is the work done by the normal force exerted by the incline on the crate? (d)...
A 44 kg block of ice slides down a frictionless incline 1.5 m long and 0.82...
A 44 kg block of ice slides down a frictionless incline 1.5 m long and 0.82 m high. A worker pushes up against the ice, parallel to the incline, so that the block slides down at constant speed. (a) Find the magnitude of the worker's force. N How much work is done on the block by the following forces? (Include the sign of the value in your answer.) (b) the worker's force J (c) the gravitational force on the block...
A 9.00-kg block slides down a frictionless plane having an incline of 27.0 The block starts...
A 9.00-kg block slides down a frictionless plane having an incline of 27.0 The block starts from rest from the top of the incline, and the length of the incline is 2.00 m. Draw a free-body diagram for the block. Determine the normal force acting on the block Answer: Check If the block starts from rest, determine the speed of the block at the bottom of the incline. (Hint: determine the acceleration of the block down the incline, then use...
A block (6 kg) starts from rest and slides down a frictionless ramp #1 of height...
A block (6 kg) starts from rest and slides down a frictionless ramp #1 of height 6 m. The block then slides a horizontal distance of 1 m on a rough surface with kinetic coefficient of friction μk = 0.5. Next, it slides back up another frictionless ramp #2. Find the following numerical energy values: 1.Initial gravitational potential energy on Ramp #1: U1G = J 2.Kinetic energy at bottom of Ramp #1 before traveling across the rough surface: K =...
A 3.90 kg block starts from rest and slides down a frictionless incline, dropping a vertical...
A 3.90 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 3.20 m, before compressing a spring of force constant 2.28 104 N/m. Find the maximum compression of the spring.
8. A 30.0-kg block slides down a frictionless incline. If the block starts from rest and...
8. A 30.0-kg block slides down a frictionless incline. If the block starts from rest and has a speed of 3.00-m/s at the bottom, at what vertical distance did the block start its descent Answer: 0.459 m 9. It is found that a force of 18-N is required to stretch a spring by 0.300 meters from its natural length. (a) What is the spring constant of the spring? (b) How much energy is stored in the spring when it is...
A block of mass 11.0 kg slides from rest down a frictionless 33.0° incline and is...
A block of mass 11.0 kg slides from rest down a frictionless 33.0° incline and is stopped by a strong spring with k = 2.80 ✕ 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block comes to rest, how far has the spring been compressed?
Problem 3 10 marks A particle of mass m slides down a frictionless incline of angle...
Problem 3 10 marks A particle of mass m slides down a frictionless incline of angle a, mass M and length L which is on a horizontal frictionless plane (see the Figure). If the particle starts initially from rest at the top of the incline, prove that the time for the particle to reach the bottom is given by, 2L(M + m sina) (M + m)g sina To setup the problem, choose a fixed vertical xy coordinate system as in...
Problem 1: An object with mass m, = 2 kg slides down a frictionless incline that...
Problem 1: An object with mass m, = 2 kg slides down a frictionless incline that makes a 25° with the horizontal (as in the figure). At the bottom of the incline, object 1 continues to travel along the rough surface with the = 0.4. Object 2, m, = 5 kg is d = 3 m away from the bottom of the incline. Object 2 is initially at rest. The height of the incline is h = 4m. h 0...
2. Starting from rest, a block of mass m slides down a frictionless incline at angle...
2. Starting from rest, a block of mass m slides down a frictionless incline at angle θ(0◦ < θ < 90◦) where it runs into a spring of spring constant k. When the block momentarily stops, it has compressed the spring by distance x. Find expressions for (a) the distance the block slides down the incline from when it is released to when it momentarily stops (b) the distance between the point of the first block-spring contact and the point...
To push a 26.0 kg crate up a frictionless incline, angled at 25.00 to the horizontal, a worker exerts a force of 214 N, parallel to the incline. Assume that the crate slides 1.50 m. (a) What is the work done on the crate by the worker's applied force? (b) What is the work done by the gravitational force on the crate? (c) What is the work done by the normal force exerted by the incline on the crate? (d)...
A 9.00-kg block slides down a frictionless plane having an incline of 27.0 The block starts from rest from the top of the incline, and the length of the incline is 2.00 m. Draw a free-body diagram for the block. Determine the normal force acting on the block Answer: Check If the block starts from rest, determine the speed of the block at the bottom of the incline. (Hint: determine the acceleration of the block down the incline, then use...
8. A 30.0-kg block slides down a frictionless incline. If the block starts from rest and has a speed of 3.00-m/s at the bottom, at what vertical distance did the block start its descent Answer: 0.459 m 9. It is found that a force of 18-N is required to stretch a spring by 0.300 meters from its natural length. (a) What is the spring constant of the spring? (b) How much energy is stored in the spring when it is...
Problem 3 10 marks A particle of mass m slides down a frictionless incline of angle a, mass M and length L which is on a horizontal frictionless plane (see the Figure). If the particle starts initially from rest at the top of the incline, prove that the time for the particle to reach the bottom is given by, 2L(M + m sina) (M + m)g sina To setup the problem, choose a fixed vertical xy coordinate system as in...
Problem 1: An object with mass m, = 2 kg slides down a frictionless incline that makes a 25° with the horizontal (as in the figure). At the bottom of the incline, object 1 continues to travel along the rough surface with the = 0.4. Object 2, m, = 5 kg is d = 3 m away from the bottom of the incline. Object 2 is initially at rest. The height of the incline is h = 4m. h 0...
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