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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A homogeneous cylinder of weight W rests in a straight corner without friction. Determine the contact forces NA and NB in terms of W and θ.
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- A hiker of mass 73 kg is going to climb to the top of Mount Tam, which has an elevation of 2,574 ft. a) If the hiker starts climbing at an elevation of 545 ft, what will their change in gravitational potential energy be, in joules, once they reach the top? Assume the zero of gravitational potential energy is at sea level. b) Repeat the above calculation for the change in gravitational potential energy, but assume the gravitational potential is zero at the top of the mountain.arrow_forward18) A ball has a mass of 3 kg. It is connected to a spring that is displaced x = 0.5m away from its equilibrium length. The spring has spring constant k = 300N/m. Af- ter the spring is compressed, the ball rolls along a frictionless surface until it reaches an incline with an angle of 30•. What is the maximum height the ball reaches?arrow_forward
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