Physics, Volume 2
11th Edition
ISBN: 9781119460176
Author: CUTNELL, John D., Johnson, Kenneth W., YOUNG, David, Stadler, Shane
Publisher: WILEY
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Chapter 7.1, Problem 4CYU
(a)
To determine
The possibility that the object has a kinetic energy but no momentum.
(b)
To determine
The possibility that a group of two or more objects have a non zero total kinetic energy but zero total momentum.
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2. Two equally strong individuals, wearing
exactly the same shoes decide to do a tug of
war. The only difference is individual A is
2.5 meters tall and individual B is 1.5 meter
tall. Who is more likely to win the tug of
war?
6. A car drives at steady speed around a perfectly
circular track.
(a) The car's acceleration is zero.
(b) The net force on the car is zero.
(c) Both the acceleration and net force on the car
point outward.
(d) Both the acceleration and net force on the car
point inward.
(e) If there is no friction, the acceleration is
outward.
9. A spring has a force constant of 100 N/m and an
unstretched length of 0.07 m. One end is attached to
a post that is free to rotate in the center of a smooth.
table, as shown in the top view in the figure below.
The other end is attached to a 1kg disc moving in
uniform circular motion on the table, which
stretches the spring by 0.03 m. Friction is negligible.
What is the centripetal force on the disc?
Top View
(a)
0.3 N
(b)
3.0 N
(c)
10 N
(d)
300 N
(e)
1000 N
Chapter 7 Solutions
Physics, Volume 2
Ch. 7.1 - 1. Two identical automobiles have the same speed,...Ch. 7.1 - 2. In Times Square in New York City, people...Ch. 7.1 - 3. Two objects have the same momentum. Do the...Ch. 7.1 - 4. (a) Can a single object have a kinetic energy...Ch. 7.1 - Prob. 5CYUCh. 7.1 - Prob. 6CYUCh. 7.2 - Prob. 7CYUCh. 7.2 - Prob. 8CYUCh. 7.2 - Prob. 9CYUCh. 7.2 - Prob. 10CYU
Ch. 7.2 - Prob. 11CYUCh. 7.2 - Prob. 12CYUCh. 7.2 - Prob. 13CYUCh. 7.2 - Prob. 14CYUCh. 7.3 - Prob. 15CYUCh. 7.3 - Prob. 16CYUCh. 7.3 - Prob. 17CYUCh. 7.5 - Prob. 18CYUCh. 7.5 - Prob. 19CYUCh. 7.5 - Prob. 20CYUCh. 7 - Prob. 1FCCh. 7 - 2. Six runners have the mass (in multiples of m0),...Ch. 7 - Prob. 6FCCh. 7 - Prob. 7FCCh. 7 - Prob. 10FCCh. 7 - Prob. 13FCCh. 7 - Prob. 15FCCh. 7 - Prob. 17FCCh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - 7. Refer to Conceptual Example 3 as an aid in...Ch. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - 13. An 85-kg jogger is heading due east at a speed...Ch. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - 24. A 0.015-kg bullet is fired straight up at a...Ch. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - 28. After sliding down a snow-covered hill on an...Ch. 7 - Prob. 29PCh. 7 - Prob. 30PCh. 7 - 31. Batman (mass = 91 kg) jumps straight down from...Ch. 7 - Prob. 32PCh. 7 - 33. A 5.00-kg ball, moving to the right at a...Ch. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - *39. A girl is skipping stones across a lake. One...Ch. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - *43. An electron collides elastically with a...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 48PCh. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 54APCh. 7 - Prob. 56APCh. 7 - Prob. 58APCh. 7 - Prob. 60APCh. 7 - *63. Two ice skaters have masses m1 and m2 and are...Ch. 7 - Prob. 64APCh. 7 - Prob. 66APCh. 7 - Prob. 67CCPCh. 7 - Prob. 68CCPCh. 7 - Prob. 69TPCh. 7 - Prob. 70TP
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