COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 7, Problem 22QAP
To determine
The final velocities of ball
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A. If you catch the ball, with what speed do you and the ball move afterwards?
B. If the ball hits you and bounces off your chest so that afterward it is moving horizontally at 8.25 m/s in the opposite direction, what is your speed after the collision?
Two blocks slide toward each other on a frictionless surface, as seen below. They collide and then stick together as one.
2M
Which of the following describes their motion after the collision?
O a. The boxes slide towards the left with velocity smaller than v/3.
b. The boxes slide towards the right with velocity larger than v/3
O . The boxes slide towards the right with velocity smaller than v/3.
o d. The boxes slide towards the left with velocity larger than v/3.
The green marble (m1= 2.6 kg) was in head-on collision to red marble (M2-8.2kg). Before the
collision, the velocities are 7m/s and 5 m/s for the green and red marble respectively. The two
marbles move together after the collision, find the final velocity.
MI
Vli
Vf
V2i
(m/+m2)
m2
Chapter 7 Solutions
COLLEGE PHYSICS
Ch. 7 - Prob. 1QAPCh. 7 - Prob. 2QAPCh. 7 - Prob. 3QAPCh. 7 - Prob. 4QAPCh. 7 - Prob. 5QAPCh. 7 - Prob. 6QAPCh. 7 - Prob. 7QAPCh. 7 - Prob. 8QAPCh. 7 - Prob. 9QAPCh. 7 - Prob. 10QAP
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