College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A grand piano with a mass of 515.77kg that's supposed to be delivered is pushed up to a delivery truck using an inclined plane elevated at 24.92° . If the applied force onto the piano is 4304.34N, will it be enough to push the grand piano up the ramp? Show your solution for the values of net force along the slope of the incline utilizing both the static and kinetic friction. The coefficient of static friction is 0.52 and the coefficient of kinetic friction 0.11.
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- Two blocks are positioned on surfaces, each inclined at the same angle of 44.0 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 6.84 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.250. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2?arrow_forwardDuring a physics inquiry, you place a 0.250kg dynamics cart on a ramp inclined at 25.0 degrees to the horizontal. The cart is initially at rest, before you pull it up the ramp with a force sensor. The force sensor exerts a force on the cart parallel to the ramp. The coefficient of friction is 0.300. Determine the force to pull the cart up the ramp at an acceleration of 1.50 m/s/s. Include a force diagram.arrow_forwardThis problem has been removed by your teacher and will not affect your score. A 75kg bicyclist (including the bicycle) is pedaling uphill with a speed increasing at a rate of 1.7m/s?. The bicyclist is also experiencing a 20N drag. Neglect any friction impeding her motion. How many forces are acting on the bicyclist? Are all forces on the bicyclist balanced? What is the magnitude of the net force on the bicyclist? unit 13° What is the magnitude of the normal force on the biyclist? unit How much force is she generating by pedaling? unit cam be d check answersarrow_forward
- A ball with mass 0.3 kg is thrown upward with initial velocity 10 m/s from the roof of a building 50 m high. Assume there is a force due to directed opposite to the velocity, air resistance of magnitude 1325 where the velocity v is measured in m/s. NOTE: Use g-9.8 m/s as the acceleration due to gravity. Round your answers to 2 decimal places. a) Find the maximum height above the ground that the ball reaches. Height: m b) Find the time that the ball hits the ground. Time: seconds c) Use a graphing utility to plot the graphs of velocity and position versus time.arrow_forwardA rancor pulls a 89.6 kg box at a constant speed across the floor. He applies a 328.2 N force at an angle of 34.3° above the horizontal. What is the coefficient of kinetic friction? Use g=9.8m/sarrow_forwardYou and your friend are moving a 82kg box across the floor at a constant speed. You are pushing on the crate parallel to the ground with a force of 62N. Your friend has a rope tied to the box and they are pulling it at an angle of 37° to the ground with a force of 32N. Construct the free body diagram showing the force acting on the crate in order to find the magnitude of friction the floor exerts on the box.arrow_forward
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