At which position does the bob have its maximum kinetic energy? A) 1 B) 2 C) 3 D) 4

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 these two questions 8 and 9
Physics
8. Base your answer to the following question on the
diagram below which represents a simple pendulum
with a 2.0-kilogram bob and a length of 10. meters.
The pendulum is released from rest at position I and
swings without friction through position 4. At position
3, its lowest point, the speed of the bob is 6.0 meters
per second,
At which position does the bob have its maximum
kinetic energy?
A) 1
B) 2
C) 3
D) 4
9. Base your answer to the following question on the
diagram below which represents an object M
suspended by a string from point P. When object M
is swung to a height of h and released, it passes
through the rest position at a speed of 10 meters per
second.
10m
M
I kg
The height h from which the object was released
approximately
A) 8 m
B) 7 m
C) 5.0 m D) 2.5 m
Transcribed Image Text:Physics 8. Base your answer to the following question on the diagram below which represents a simple pendulum with a 2.0-kilogram bob and a length of 10. meters. The pendulum is released from rest at position I and swings without friction through position 4. At position 3, its lowest point, the speed of the bob is 6.0 meters per second, At which position does the bob have its maximum kinetic energy? A) 1 B) 2 C) 3 D) 4 9. Base your answer to the following question on the diagram below which represents an object M suspended by a string from point P. When object M is swung to a height of h and released, it passes through the rest position at a speed of 10 meters per second. 10m M I kg The height h from which the object was released approximately A) 8 m B) 7 m C) 5.0 m D) 2.5 m
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