College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 8, Problem 34PE
A battleship that is 6.00*10' kg and is originally at rest fires a 1100-kg artillery shell horizontally with a velocity of 575 m/s. (a) If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship's recoil. Calculate its recoil velocity. (b) Calculate the increase in internal kinetic energy (that is, for the ship and the shell). This energy is less than the energy released by the gun powder—significant
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A battleship that is 5.00 x 107 kg and is originally at rest fires a 1300-kg artillery shell horizontally with a velocity of 550 m/s.
(a) If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship's recoil.
Calculate its recoil velocity in meters per second.
0.0143
m/s
(b) Calculate the increase in internal kinetic energy in joules (that is, for the ship and the shell). This energy is less than the
energy released by the gun powder – significant heat transfer occurs.
Additional Materials
O Reading
Two Bowling balls are moving toward each other and collide. Assume elastic collision.
M = 2 kg moving at 3 m/sec, and m = 1.8 kg moving at
-4 m/sec.
Find their velocities after the collision
Find their total initial kinetic energy, and total final kinetic energy. Are they equal?
A battleship that is 7.00 ✕ 107 kg and is originally at rest fires a 1200–kg artillery shell horizontally with a velocity of 550 m/s.
(a)
If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship's recoil. Calculate its recoil velocity in meters per second.
m/s
(b)
Calculate the increase in internal kinetic energy in joules (that is, for the ship and the shell). This energy is less than the energy released by the gun powder — significant heat transfer occurs.
J
Chapter 8 Solutions
College Physics
Ch. 8 - An object that has a small mass and an object that...Ch. 8 - An object that has a small mass and an object that...Ch. 8 - Professional Application Football coaches advise...Ch. 8 - How can a small force impart the same momentum to...Ch. 8 - Professional Application Explain in terms of...Ch. 8 - While jumping on a trampoline, sometimes you land...Ch. 8 - Professional Application Tennis racquets have...Ch. 8 - Professional Application If you dive into water,...Ch. 8 - Under what circumstances is momentum conserved?Ch. 8 - Can momentum be conserved for a system if there...
Ch. 8 - Momentum for a system can be conserved in one...Ch. 8 - Professional Application Explain in terms of...Ch. 8 - Can objects in a system have momentum while the...Ch. 8 - Must the total energy of a system be conserved...Ch. 8 - What is an elastic collision?Ch. 8 - What is an inelastic collision? 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