An 860 N box is pushed across a level floor for a distance of 4.2 m with a force of 420 N. How much work was done on the box by that force? W= How much work is done in raising a 12.9 kg backpack from the floor to a shelf 1.92 m above the floor? W= Use g = 9.8 m/s². If 5710 J of work is used to raise a 120 kg crate to a shelf in a warehouse, how high was the crate raised? m Use g = 9.8 m/s² A 59.8 kg student runs up a 5.25 m high stairway in a time of 4.19 seconds. How many watts of power did she exert? W

An 860 N box is pushed across a level floor for a distance of 4.2 m with a force of 420 N. How much work was done on the box by that force? W= How much work is done in raising a 12.9 kg backpack from the floor to a shelf 1.92 m above the floor? W= Use g = 9.8 m/s². If 5710 J of work is used to raise a 120 kg crate to a shelf in a warehouse, how high was the crate raised? m Use g = 9.8 m/s² A 59.8 kg student runs up a 5.25 m high stairway in a time of 4.19 seconds. How many watts of power did she exert? W

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Description: An 860 N box is pushed across a level floor for a distance of 4.2 m with a force of 420 N. How much work was done on the box by thatforce?W=JHow much work is done in raising a 12.9 kg backpack from the floor to a shelf 1.92 m above the floor?W=Use g

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

An 860 N box is pushed across a level floor for a distance of 4.2 m with a force of 420 N. How much work was done on the box by that
force?
W=
J
How much work is done in raising a 12.9 kg backpack from the floor to a shelf 1.92 m above the floor?
W=
Use g = 9.8 m/s².
If 5710 J of work is used to raise a 120 kg crate to a shelf in a warehouse, how high was the crate raised?
m
Use g = 9.8 m/s²
A 59.8 kg student runs up a 5.25 m high stairway in a time of 4.19 seconds. How many watts of power did she exert?
W

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