College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter1: Introduction: The Nature Of Science And Physics
Section: Chapter Questions
Problem 23PE: If a marathon runner averages 9.5 mi/h, how long does it take him or her to run a 26.22-mi marathon?
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Two smooth billiard balls A and B each have a mass of 200 g. A strikes B with a velocity (vA)1(vA)1 = 1.6 m/s as shown. Ball B is originally at rest and the coefficient of restitution is e = 0.85. Neglect the proportions of the billiard balls.
a) Determine the angle between the y axis and the final velocity of A just after the collision, measured clockwise from the negative y axis.
b) Determine the magnitude of the final velocity of B just after collision.
c) Determine the angle between the x axis and the final velocity of B just after the collision, measured clockwise from the negative x axis.
Value of (Va)2 is 1.03 m/s.
Transcribed Image Text:B
y
A
40°
(VA)1
x
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