COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 3, Problem 15QAP
To determine
Whether the car will accelerate or not at the instant of driving north and then turning right. If accelerating, then state the direction of acceleration else the reason for no acceleration.
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At
the instant shown, the car at A is traveling at 21 m.s¹ around the curve of radius 67 m while
its speed is increasing at 4 m.s2. The car at B travels at 2 m.s¹ along the straightaway.
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The relative velocity of A with respect to B is aA/B-25.0 m.s-²
Determine the acceleration of the car at B. (put your answer in the cell below)
Question 6: A particle is moving in a circular path of radius R. At some in-
stant, its acceleration a makes angle 0 with the horizontal as shown in Figure
2. At that instant, what is the speed of the particle?
R
Figure 2
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O VaRsin
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VaRsin? 0
VaR cos 0
GRcot A.
An aston martin v8 vantage sports car has a "lateral acceleration" of 9/ms2. This is the maximum centripetal acceleration the car can sustain without skidding out of a curved path. If the car is travelling at a constant 48 m/s on level ground, what is thr radius R of the tightest unbanked curve it can negotiate?
Chapter 3 Solutions
COLLEGE PHYSICS
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