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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please help with questions 6,7,8 and 9
![ch a correct choice or res,
6 In the diagram below, a 1,0-kilogram mase
along a tabletop.
2.0 kg
1.0 kg
0.50 m
What is the total work done by the falling mass?
(3) 9.8 J
(4) 15 J
(1) 1.5 J
(2) 4.9J
7 A horizontal force with a magnitude of 40.
newtons is used to push a block along a level
table at a constant speed of 2.0 meters per second.
How much work is done on the block in 6.0
seconds?
(1) 80. J
(2) 120 J
(3) 240 J
(4) 480 J
8 A force with a magnitude of 100. newtons is used
to push a trunk to the top of an incline 3.0 meters
long. Then a force with a magnitude of 50.
newtons is used to push the trunk for 10. meters
along a horizontal platform. What is the total
work done on the trunk?
(1) 8.0 × 10² J
(2) 5.0 x 10 J
(3) 3.0 x 102 J
(4) 9.0 × 10² J
9 The amount of work done against friction to slide
a box in a straight line across a uniform,
horizontal floor depends most on the
(1) time taken to move the box
(2) distance the box is moved
(3) speed of the box
(4) direction of the box's motion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4803a335-1244-405a-8354-f39e42102bdc%2F14e094d9-9eb2-4b10-8f9c-faffc653117e%2Fjsoewfb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:ch a correct choice or res,
6 In the diagram below, a 1,0-kilogram mase
along a tabletop.
2.0 kg
1.0 kg
0.50 m
What is the total work done by the falling mass?
(3) 9.8 J
(4) 15 J
(1) 1.5 J
(2) 4.9J
7 A horizontal force with a magnitude of 40.
newtons is used to push a block along a level
table at a constant speed of 2.0 meters per second.
How much work is done on the block in 6.0
seconds?
(1) 80. J
(2) 120 J
(3) 240 J
(4) 480 J
8 A force with a magnitude of 100. newtons is used
to push a trunk to the top of an incline 3.0 meters
long. Then a force with a magnitude of 50.
newtons is used to push the trunk for 10. meters
along a horizontal platform. What is the total
work done on the trunk?
(1) 8.0 × 10² J
(2) 5.0 x 10 J
(3) 3.0 x 102 J
(4) 9.0 × 10² J
9 The amount of work done against friction to slide
a box in a straight line across a uniform,
horizontal floor depends most on the
(1) time taken to move the box
(2) distance the box is moved
(3) speed of the box
(4) direction of the box's motion
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