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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Determine the energy used by a rotary pump with power of 400 watts. The pump works for a period of 5minutes and rotates 5 rounds.
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- 1. The motor of a ski boat produces a power of 36.600 W to maintain a constant speed of 14.0m/s. To pull a water skier at the same constant speed, the motor must produce a power of 37.800W. What is the tension in the rope pulling the skier? Explain and draws.arrow_forwardEvery second at Niagara Fall 5.5 X 10^5 kg of water falls an average distance of 20 m. Determine the power generated by this process.arrow_forwardPlease include solution. Thank you!arrow_forward
- A 70 kg secret agent skis down a hill and grabs a 200 kg bag then flies off a 12 m high cliff. The hill can be considered a 1/4 of a circle with a radius of 20 m. a) The initial mechanical energy of the agent at the top of the hill is 14,560 J relative to the location of the bag. If the average force of friction is 120 N determine the velocity of the agent before he picks up the bag. B) what is his apparent weight right before he picks up the bag? C) how fast is the agent traveling after he grabs a bag? D) how far from the base of the cliff does the agent land? Assume the resistance is negligible. E) Assume that the agent in his bag come to rest upon colliding with the ground at the base of the cliff. What is an impulse that he in the bag experiences? Estimate the resulting contact force on the agent. Discuss the likelihood of his living through the collision.arrow_forwardPlease provide the correct answerarrow_forwardProb. F14-8 F14-9. If the motor winds in the cable with a constant speed of v = 3 m/s, determine the power supplied to the motor. The load weighs 100 N and the efficiency of the motor is ɛ = 0.8. Neglect the mass of the pulleys. C D B. A lv= 3 m/s %3D E Prob. F14-9arrow_forward
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