1. A pulley device is used to hurl projectiles from aramp (mk = 0.26) as illustrated in the diagram.The 5.0-kg mass is accelerated from rest at thebottom of the 4.0 m long ramp by a falling20.0-kg mass suspended over a frictionlesspulley. Just as the 5.0-kg mass reaches the topof the ramp, it detaches from the rope (neglectthe mass of the rope) and becomes projectedfrom the ramp.4.0 mHy =0.26s.0 kg3020.0 kg6.0mа.Determine the acceleration of the 5.0-kgmass along the ramp. (Providefree-body diagrams for both masses.)b. Determine the tension in the rope duringthe acceleration of the 5.0-kg massalong the ramp.Determine the speed of projection of the5.0-kg mass from the top of the ramp.C.

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Answered: 1. A pulley device is used to hurl…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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slapshot Vo Slapshot: A hockey puck is hit by a hockey stick. The approximately constant force is 69 N, which acts for a time of 0.11 s. What is the speed of the puck after the slapshot? (Standard hockey puck mass 160 grams, and radius 7.6 cm.) (in m/s) OA: 6.44 OB: 8.57 C: 11.40 OD: 15.16 OE: 20.16 OF: 26.82 OG: 35.67 OH: 47.44
system rotates, it will usually rotate around its center of mass. Expect 1-2 questions covei Q1. A 59-kg woman and a 71-kg man sit on a seesaw, 3.5 m long. Where is their center of mass? (1.94 m) 02. A fisheerman in a boat catches a great white shark with a harpoon The shark
Multiple-object systems without friction: The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes it 0.90's to reach the floor. What is the mass m of the other block? The pulley has no appreciable mass or friction. (60 kg) m ------- 100 kg 1.0 m
Show Attempt History Current Attempt in Progress × Incorrect. A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 91.9 kg. The mass of the rock is 0.279 kg. Initially the wagon is rolling forward at a speed of 0.547 m/s. Then the person throws the rock with a speed of 16.3 m/s. Both speeds are relative to the ground. Find the speed of the wagon after the rock is thrown (a) directly forward in one case and (b) directly backward in another. (a) vi 0.402 (b) v = i 0.505 m/s. m/s
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1. A pulley device is used to hurl projectiles from a ramp (mk = 0.26) as illustrated in the diagram. The 5.0-kg mass is accelerated from rest at the bottom of the 4.0 m long ramp by a falling 20.0-kg mass suspended over a frictionless pulley. Just as the 5.0-kg mass reaches the top of the ramp, it detaches from the rope (neglect the mass of the rope) and becomes projected from the ramp. %3D 4.0 m H =026 5.0 kg 30 60m 20.0 kg a. Determine the acceleration of the 5.0-kg mass along the ramp. (Provide free-body diagrams for both masses.) b. Determine the tension in the rope during the acceleration of the 5.0-kg mass along the ramp. c. Determine the speed of projection of the 5.0-kg mass from the top of the ramp. d. Determine the horizontal range of the 5.0-kg mass from the base of the ramp. Use the grasp method to determine the answer
10. A snowboarder starts at the top of a 160. m tall hill with a velocity of 3.00 m/s. The portion of the hill covered with snow is essentially frictionless, but the flat, horizontal section at the base of the hill covered with mud is not. If the snowboarder masses in at 80.0 kg, and the coefficient of kinetic friction between board and mud is 0.750, how much distance is required for the snowboarder to come to rest?
1. A pulley device is used to hurl projectiles from a ramp (mk = 0.26) as ilustrated in the diagram. The 5.0-kg mass is accelerated from rest at the bottorm of the 4.0 m long ramp by a falling 20.0-kg mass suspended over a frictionless pulley. Just as the 5.0-kg mass reaches the top of the ramp, it detaches from the rope (neglect the mass of the rope) and becomes projected from the ramp. 4.0m M0.26 50kg 30 60m 20.0kg a. Determine the acceleration of the 5.0-kg mass along the ramp. (Provide free-body diagrams for both masses.) b. Determine the tension in the rope during the acceleration of the 5.0-kg mass along the ramp. c. Determine the speed of projection of the 5.0-kg mass from the top of the ramp. d. Determine the horizontal range of the 5.0-kg mass from the base of the ramp.
A 686 N park ranger uses a basket and a rope-pulley system to transport an injured sea turtle up to a plateau, as shown in the figure. The sea turtle and basket together have a mass of 50.0 kg. The ranger holds firmly onto the rope and walks away from the cliff, speeding up at a steady rate of 0.300 m/2 2. He thereby causes the basket (and the turtle) to accelerate straight upwards at the same rate. Assume that the rope has negligible weight and that the pulley is ideal, having no friction in its bearing. Also assume that as the ranger trudges along, his feet do not slip on the ground. +x 26. The tension in the rope is equal to A. 490 N. B. 686 N. C. 475 N. D. 505 N. E. 196 N. 27. The frictional force which the ground exerts on the ranger's feet has a magnitude of C. 526 N. A. 490 N. B. 511 N. D. 196 N. E. 707 N.
A stationary 2.17-kg object is struck by a stick. The object experiences a horizontal force given by F = at - bt 2, where t is the time in seconds from the instant the stick first contacts the object. If a = 1,500,000 N/s and b = 20,000,000 N/s?, what is the speed of the object just after it comes away from the stick at t = 2.55 x 103 s? %3D

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