Late for a flight, a man runs through the airport concourse at 6 m/s pulling his rolling 15 kgsuitcase with a (nearly) horizontal tension force of 200 N. How much power is the man exertingin pulling the suitcase during this process?OA. 1200 WO B. 120. WO C. 80 WOD. 0 WacBook Pro87U* 890)0← PreviousNavigationNext->+11}Γ1P{delete

The man is pulling a 15 kg suitcase at 6 m/s with a force of 200 N. First we need to rule out if the…

Answered: Late for a flight, a man runs through…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 7PQ

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(a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a speed of 15.0 m/s, neglecting friction? (b) How long will this acceleration take if the car also climbs a 3.00-m-high hill in the process?
A 6.50 102-kg elevator starts from rest and moves upward for 3.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. (a) What is the average power of the elevator motor during this period? (b) How does this amount of power compare with its power during an upward trip with constant speed?
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Grains from a hopper falls at a rate of 10 kg/s vertically onto a conveyor belt that is moving horizontally at a constant speed of 2 m/s. (a) What force Is needed to keep the conveyor belt moving at the constant velocity? (b) What is the minimum power of the motor driving the conveyor belt?
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A person in good physical condition can put out 100 W of useful power for several hours at a stretch, perhaps by pedaling a mechanism that drives an electric generator. Neglecting any problems of generator efficiency and practical considerations such as resting time: (a) How many people ‘would it take to nm a 4.O0-kW electric clothes dryer? (b) How many people would it take to replace a large electric power plant that generates 800 MW?
you psush a file acbinet up a rough ramp titled at 10 degreee with horizontak. The file cabinet has a mass 82kg and you are pushing with a 260N force in the direction up along the ramp. The friction force on the cabinet from the ramp is 35N. It's moved 3.00m up along the ramp. a.whats the workdone by you on the cabinet b. whats the workdone by the frictiion force d. whats the change in gravitational potential energy, positive or negative
801S Dinl V= 0.67m/s A= Y=(V AS= +dister (he's ruming) 12 12 Stert W=38.4J 12.03 pore (add sore A = 0.06 m/s2 3. Benjamin Button carries a 200-N suitcase up three flights of stairs (a height of 10.0 m) and then pushes F=4.8N it with a horizontal force of 50.0 N at a constant speed of 0.5 m/s for a horizontal distance of 35.0 things finst} meters. How much work does Ben do on his suitcase during this entire motion? part 3 4. When doing a chin-up, a physics student lifts her 42.0-kg body a distance of 0.25 meters in 2 seconds. 4.8) CSrevity) What is the power delivered by the student's biceps? (Mass * Gravity= force) 5. A tired penguin does push-ups by applying a force to elevate its center-of-mass by 8 cm in order to do a mere 0.50 Joule of work. If the tired penguin does all this work in 4.2 seconds, then determine its power.
Solve this problem please
you psush a file acbinet up a rough ramp titled at 10 degreee with horizontak. The file cabinet has a mass 82kg and you are pushing with a 260N force in the direction up along the ramp. The friction force on the cabinet from the ramp is 35N. It's moved 3.00m up along the ramp. whats the workdone by you on the cabinet

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