A force of 120 N is used to lift a 10 kg box to a height of 5.0m. If the box started from rest what is the kinetic energy ofthe box by the time it reaches a height of 5.0 m?O 22 JO110 J500 JO 620 JA sailor pulls her boat along a dock using a rope at anangle of 25° with the horizontal. She exerts a force of335 N on the rope and pulls the boat 19 m. How muchpower does she need to do this in 1 minute?O 3 WO 10 WO 96 WO 112 WWhat happens to the gravitational potential energy when theheight of an object is changed?DecreasesO IncreasesO Stays the sameO Depends on the reference point

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A force of 120 N is used to lift a 10 kg box to a height of 5.0 m. If the box started from rest what is the kinetic energy of the box by the time it reaches a height of 5.0 m? O 22 J O 110 J O 500 J O 620 J

A force of 120 N is used to lift a 10 kg box to a height of 5.0 m. If the box started from rest what is the kinetic energy of the box by the time it reaches a height of 5.0 m? O 22 J O 110 J O 500 J O 620 J

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

A force of 120 N is used to lift a 10 kg box to a height of 5.0
m. If the box started from rest what is the kinetic energy of
the box by the time it reaches a height of 5.0 m?
O 22 J
O
110 J
500 J
O 620 J
A sailor pulls her boat along a dock using a rope at an
angle of 25° with the horizontal. She exerts a force of
335 N on the rope and pulls the boat 19 m. How much
power does she need to do this in 1 minute?
O 3 W
O 10 W
O 96 W
O 112 W
What happens to the gravitational potential energy when the
height of an object is changed?
Decreases
O Increases
O Stays the same
O Depends on the reference point

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