4. A box of mass m= 2.0 kg initially at the bottom of a ramp is given a brief hard shove up the ramp with an initial speed vi = 3.00 m/s. The ramp is 1.50 m long and 0.50 m high. The box slides to the very top of the ramp and then slides back down. At the bottom of the ramp, the final speed of the box is vf= 2.00 m/s. How much thermal energy was generated as the box slid up and down the ramp? A) None, the ramp is frictionless. B) 5.0 J C) 1.0 J D) 9.8 J E) None of these. 1.5 m Vi = 3.00 m/s |vr|= 2.00 m/s 0.5 m
4. A box of mass m= 2.0 kg initially at the bottom of a ramp is given a brief hard shove up the ramp with an initial speed vi = 3.00 m/s. The ramp is 1.50 m long and 0.50 m high. The box slides to the very top of the ramp and then slides back down. At the bottom of the ramp, the final speed of the box is vf= 2.00 m/s. How much thermal energy was generated as the box slid up and down the ramp? A) None, the ramp is frictionless. B) 5.0 J C) 1.0 J D) 9.8 J E) None of these. 1.5 m Vi = 3.00 m/s |vr|= 2.00 m/s 0.5 m
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 16P
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