1. An object is moving in a circular path at constant speed. If the speed is doubled then: a) The acceleration increases by four times. b) The acceleration is doubled. c) The acceleration is halved. d) None of the above. 2. An object is moving in a circular path at constant speed. If the radius of the circular path is doubled and the speed stays the same, then: a) The acceleration decreases by four times. b) The acceleration stays the same. c) The acceleration is halved. d) None of the above. 3. A 10 kg object is moving in uniform circular motion with a radius of 20 m. It takes the object 8 s to make one complete revolution. A. Find the speed of the object. B. Find the net force acting on the object.
1. An object is moving in a circular path at constant speed. If the speed is doubled then: a) The acceleration increases by four times. b) The acceleration is doubled. c) The acceleration is halved. d) None of the above. 2. An object is moving in a circular path at constant speed. If the radius of the circular path is doubled and the speed stays the same, then: a) The acceleration decreases by four times. b) The acceleration stays the same. c) The acceleration is halved. d) None of the above. 3. A 10 kg object is moving in uniform circular motion with a radius of 20 m. It takes the object 8 s to make one complete revolution. A. Find the speed of the object. B. Find the net force acting on the object.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.5OQ: Does a car moving around a circular track with constant speed have (a) zero acceleration, (b) an...
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1. An object is moving in a circular path at constant speed. If the speed is doubled then:
- a) The acceleration increases by four times.
- b) The acceleration is doubled.
- c) The acceleration is halved.
- d) None of the above.
2. An object is moving in a circular path at constant speed. If the radius of the circular path is doubled and the speed stays the same, then:
- a) The acceleration decreases by four times.
- b) The acceleration stays the same.
- c) The acceleration is halved.
- d) None of the above.
3. A 10 kg object is moving in uniform circular motion with a radius of 20 m. It takes the object 8 s to make one complete revolution.
A. Find the speed of the object.
B. Find the net force acting on the object.
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