A box with a mass of 10 kg is laid on a flat surface tilted at 30o to thehorizontal. It is pushed up the slope at a constant speed of 2.5 m/s. Thecoefficient of dynamic friction is 0.45. What is the rate at which work isdone (in Watts) ?

A box with a mass of 10 kg is laid on a flat surface tilted at 30o to thehorizontal. It is pushed up the slope at a constant speed of 2.5 m/s. Thecoefficient of dynamic friction is 0.45. What is the rate at which work isdone (in Watts) ?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 76P: Calculate the power output needed for a 950-kg car to climb a 2.00 slope at a constant 30.0 m/s...

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Question

A box with a mass of 10 kg is laid on a flat surface tilted at 30o
to the
horizontal. It is pushed up the slope at a constant speed of 2.5 m/s. The
coefficient of dynamic friction is 0.45. What is the rate at which work is
done (in Watts) ?

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