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_1. As the cart on a roller coaster rides goes up on a frictionless track _ a. its velocity increases b. it produces heat c. its velocity decreases d. its velocity remains the same _2. The reference point for gravitational potential energy must be at the initial position of the object. b. must be at the final position of the object. c. must be at ground level. d. can be chosen arbitrarily. a.

_1. As the cart on a roller coaster rides goes up on a frictionless track _ a. its velocity increases b. it produces heat c. its velocity decreases d. its velocity remains the same _2. The reference point for gravitational potential energy must be at the initial position of the object. b. must be at the final position of the object. c. must be at ground level. d. can be chosen arbitrarily. a.

College Physics
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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_1. As the cart on a roller coaster rides goes up on a frictionless track _ a. its velocity increases b. it produces heat c. its velocity decreases d. its velocity remains the same _2. The reference point for gravitational potential energy must be at the initial position of the object. b. must be at the final position of the object. c. must be at ground level. d. can be chosen arbitrarily. a.
Transcribed Image Text:_1. As the cart on a roller coaster rides goes up on a frictionless track _ a. its velocity increases b. it produces heat c. its velocity decreases d. its velocity remains the same _2. The reference point for gravitational potential energy must be at the initial position of the object. b. must be at the final position of the object. c. must be at ground level. d. can be chosen arbitrarily. a.
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