Cutnell & Johnson Physics - Eleventh Edition
11th Edition
ISBN: 9781119391869
Author: Shane Stadler David Young
Publisher: WILEY
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Chapter 7, Problem 25P
To determine
To find: The masses of pieces 1 and 2.
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A 0.500 kg sphere moving with a velocity given by (2.00î – 2.60ĵ + 1.00k) m/s strikes another sphere of mass 1.50 kg moving with an initial velocity of (−1.00î + 2.00ĵ – 3.20k) m/s.
(a) The velocity of the 0.500 kg sphere after the collision is (-0.90î + 3.00ĵ − 8.00k) m/s. Find the final velocity of the 1.50 kg sphere.
R =
m/s
Identify the kind of collision (elastic, inelastic, or perfectly inelastic).
○ elastic
O inelastic
O perfectly inelastic
(b) Now assume the velocity of the 0.500 kg sphere after the collision is (-0.250 + 0.850ĵ - 2.15k) m/s. Find the final velocity of the 1.50 kg sphere.
✓ =
m/s
Identify the kind of collision.
O elastic
O inelastic
O perfectly inelastic
(c) Take the velocity of the 0.500 kg sphere after the collision as (−1.00ỉ + 3.40] + ak) m/s. Find the value of a and the velocity of the 1.50 kg sphere after an elastic collision. (Two values of a are possible, a positive value and a negative value. Report each with their
corresponding final velocities.)
a…
A cannon is rigidly attached to a carriage, which can move along horizontal rails, but is connected to a post by a large spring, initially unstretched and with force constant k = 1.31 x 104 N/m, as in the figure below. The cannon fires a 200-kg projectile at a velocity of 136 m/s directed 45.0°
above the horizontal.
45.0°
(a) If the mass of the cannon and its carriage is 5000 kg, find the recoil speed of the cannon.
m/s
(b) Determine the maximum extension of the spring.
m
(c) Find the maximum force the spring exerts on the carriage. (Enter the magnitude of the force.)
N
launch angle.
Passage Problems
Alice (A), Bob (B), and Carrie (C) all start from their dorm and head
for the library for an evening study session. Alice takes a straight path,
Chapter 7 Solutions
Cutnell & Johnson Physics - Eleventh Edition
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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