Junry pulls his wife, who’s mass is 50 kg and who is sitting on a swing with rope of length 5 m, backward until the rope make an angle of 50° with respect to the vertical. He then releases his wife from rest. Determine the speed of his wife when the rope makes an angle of 20° with respect to the vertical? a. 5.30 m/s c. 5.60 m/s b. 5.50 m/s d. 5.40 m/s
Junry pulls his wife, who’s mass is 50 kg and who is sitting on a swing with rope of length 5 m, backward until the rope make an angle of 50° with respect to the vertical. He then releases his wife from rest. Determine the speed of his wife when the rope makes an angle of 20° with respect to the vertical? a. 5.30 m/s c. 5.60 m/s b. 5.50 m/s d. 5.40 m/s
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 25P
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Junry pulls his wife, who’s mass is 50 kg and who is sitting on a swing with rope of length 5 m,
backward until the rope make an angle of 50° with respect to the vertical. He then releases his
wife from rest. Determine the speed of his wife when the rope makes an angle of 20° with
respect to the vertical?
a. 5.30 m/s
c. 5.60 m/s
b. 5.50 m/s
d. 5.40 m/s
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