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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Question
Answer the following problems and explain your answers for better understanding.
Transcribed Image Text:31.
If a string is stretched by two opposite forces of 10N then what is the tension in string?
A. ON
B. 5N
C. 10N
D. 20N
E. Other:
32.
A mountain deer starts a rock slide and the rocks crash down the slope 150 m. If the rocks
reach the bottom in 5 s, what is its acceleration?
a. 12m/s²
b. 15m/s²
c. 30m/s²
d. 60m/s²
E. Other:
33.
What is the acceleration when a car slows down from 32 m/s to 8 m/s in 4 seconds?
c. 8 m/s² in opposite the motion
a. 6 m/s² in opposite the motion
b. 6 m/s² in same motion
d. 8 m/² in same motion
E. Other:
34.
How should you add two vectors?
a. Add them head to tail
b. Add them with the addition key
E. Other:
V.
c. Add them tail to tail
d. just add the length of each
35.
An object completes 1.5 circular orbits in half a minute. It orbits with a radius of 2 m.
What is the object's tangential speed?
a. 0.15 rad/s
b. 0.60 rad/s
c. 1.6 rad/s
d. 6 rad/s
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