actice Problems for the second X 0/?tab%3rm&ogbl#inbox/FMfcgxwHMZQqSqRCxQrnGSBSRwLjLKI pe to MP3 Co... I phone cover for mO... Search mail 15 of 5,909 these on your own before studying the videos I post. ADDITIONAL PRACTICE PROBLEMS 1: A block of mass 20kg is placed on a surface inclined at an angle 40 degrees with respect to the horizontal. It is being pulled down by a force of 5N acting at an angle of 30 degrees with respect to the inclined plane. a: What is the acceleration of the block along the inclined plane assuming there is no friction? b. What is the acceleration if the coefficient of friction is 27 c. What is the net work done on the block? 2: A .5 kg mass is tied to the end of a chord and rotated in a horizontal surface at constant speed. The mass makes 2 revolutions a second. What is the minimum force the chord must be able to withstand so that the mass can keep rotating without the chord breaking? +.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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actice Problems for the second X
0/?tab%3rm&ogbl#inbox/FMfcgxwHMZQqSqRCxQrnGSBSRwLjLKI
pe to MP3 Co...
I phone cover for mO...
Search mail
15 of 5,909
these on your own before studying the videos I post.
ADDITIONAL PRACTICE PROBLEMS
1: A block of mass 20kg is placed on a surface inclined at an angle 40 degrees with respect to the horizontal. It is being pulled down by a force of 5N
acting at an angle of 30 degrees with respect to the inclined plane.
a: What is the acceleration of the block along the inclined plane assuming there is no friction?
b. What is the acceleration if the coefficient of friction is 27
c. What is the net work done on the block?
2: A .5 kg mass is tied to the end of a chord and rotated in a horizontal surface at constant speed. The mass makes 2 revolutions a second. What is the
minimum force the chord must be able to withstand so that the mass can keep rotating without the chord breaking?
+.
Transcribed Image Text:actice Problems for the second X 0/?tab%3rm&ogbl#inbox/FMfcgxwHMZQqSqRCxQrnGSBSRwLjLKI pe to MP3 Co... I phone cover for mO... Search mail 15 of 5,909 these on your own before studying the videos I post. ADDITIONAL PRACTICE PROBLEMS 1: A block of mass 20kg is placed on a surface inclined at an angle 40 degrees with respect to the horizontal. It is being pulled down by a force of 5N acting at an angle of 30 degrees with respect to the inclined plane. a: What is the acceleration of the block along the inclined plane assuming there is no friction? b. What is the acceleration if the coefficient of friction is 27 c. What is the net work done on the block? 2: A .5 kg mass is tied to the end of a chord and rotated in a horizontal surface at constant speed. The mass makes 2 revolutions a second. What is the minimum force the chord must be able to withstand so that the mass can keep rotating without the chord breaking? +.
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