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PHYS 211 Exam 3 review 1. A 4.00-kg block rests on a 30.0° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.700, what magnitude horizontal force F must act on the 30.0° block to start it moving up the incline? ANS: 84 N 37° 37 0 2. Two ropes as shown in the figure support a traffic light weighing 100 N. Find The tensions in the ropes .Ans: 83N each. 3. A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are u, = 0.40 and K = 0.30, respectively. The puck's initial speed is 63 m/s. What vertical height does the puck reach above its starting point? ANS 130 m 4. A wooden block A of mass 4.0 kg slides on a frictionless table when pulled using a massless string and pulley

PHYS 211 Exam 3 review 1. A 4.00-kg block rests on a 30.0° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.700, what magnitude horizontal force F must act on the 30.0° block to start it moving up the incline? ANS: 84 N 37° 37 0 2. Two ropes as shown in the figure support a traffic light weighing 100 N. Find The tensions in the ropes .Ans: 83N each. 3. A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are u, = 0.40 and K = 0.30, respectively. The puck's initial speed is 63 m/s. What vertical height does the puck reach above its starting point? ANS 130 m 4. A wooden block A of mass 4.0 kg slides on a frictionless table when pulled using a massless string and pulley

College Physics
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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PHYS 211 Exam 3 review 1. A 4.00-kg block rests on a 30.0° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.700, what magnitude horizontal force F must act on the 30.0° block to start it moving up the incline? ANS: 84 N 37° 37 0 2. Two ropes as shown in the figure support a traffic light weighing 100 N. Find The tensions in the ropes .Ans: 83N each. 3. A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are u, = 0.40 and K = 0.30, respectively. The puck's initial speed is 63 m/s. What vertical height does the puck reach above its starting point? ANS 130 m 4. A wooden block A of mass 4.0 kg slides on a frictionless table when pulled using a massless string and pulley
Transcribed Image Text:PHYS 211 Exam 3 review 1. A 4.00-kg block rests on a 30.0° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.700, what magnitude horizontal force F must act on the 30.0° block to start it moving up the incline? ANS: 84 N 37° 37 0 2. Two ropes as shown in the figure support a traffic light weighing 100 N. Find The tensions in the ropes .Ans: 83N each. 3. A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are u, = 0.40 and K = 0.30, respectively. The puck's initial speed is 63 m/s. What vertical height does the puck reach above its starting point? ANS 130 m 4. A wooden block A of mass 4.0 kg slides on a frictionless table when pulled using a massless string and pulley
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