A 5.0 kg mass is initially sitting on the floor when it is lifted onto a table 1.15 meters high at a constant speed at a time of 5 seconds. How much is the rate of doing this work? a. 0.015 Horsepower b. 2.25 Watts c. 1.54 x 10 ^-3 Kwatts d. 7.08 x 10^-3 Horsepower

A 5.0 kg mass is initially sitting on the floor when it is lifted onto a table 1.15 meters high at a constant speed at a time of 5 seconds. How much is the rate of doing this work? a. 0.015 Horsepower b. 2.25 Watts c. 1.54 x 10 ^-3 Kwatts d. 7.08 x 10^-3 Horsepower

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter3: Energy And Conservation Laws

Section: Chapter Questions

Problem 39P: . In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft....

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Concept explainers

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

Question

A 5.0 kg mass is initially sitting on the floor when it is lifted onto a table 1.15 meters high at
a constant speed at a time of 5 seconds. How much is the rate of doing this work?

a. 0.015 Horsepower

b. 2.25 Watts

c. 1.54 x 10 ^-3 Kwatts

d. 7.08 x 10^-3 Horsepower

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