College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 4, Problem 9MCP
A woman normally weighs 125 lb. If she is standing on a spring scale in an elevator that is traveling downward, but slowing up, the scale will read
- A. more than 125 lb.
- B. 1251b.
- C. less than 125 lb.
- D. It is impossible to answer this question without knowing the acceleration of the elevator.
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Two mirrors meet an angle, a, of 105°. A ray of light is incident upon mirror A at an angle, i, of
42°. The ray of light reflects off mirror B and then enters water, as shown below:
Incident
ray at A
Note: This diagram is not to
scale.
a
Air (n = 1.00)
Water (n = 1.34)
1) Determine the angle of refraction of the ray of light in the water.
B
Hi can u please solve
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Chapter 4 Solutions
College Physics (10th Edition)
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