Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Textbook Question
Chapter 3, Problem 1C
Rank the following three collisions in terms of the extent of damage that the car would experience. Explain your reasons for ranking the collisions as you did.
(a) A car going 10 m/s striking an identical car that was stationary on level ground.
(b) A car going 10 m/s running into an immovable concrete wall.
(c) A head-on collision between identical cars, boom going 10 m/s.
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Students have asked these similar questions
When doing the math for a collision, how would you indicate the difference between a
head-on collision and a collision where two objects were moving in the same direction?
Your answer:
One of the masses would be negative in the head-on collision.
One of the masses would be negative when the objects are moving in the same
direction.
One of the velocities would be negative in the head-on collision.
One of the velocities would be negative when the objects are moving in the same
direction.
O There would be no difference.
In the figure, determine the character of the collision. The masses of the blocks, and the velocities
before and after, are shown. The collision is
1.8 m/s
0.2 m/s
0.6 m/s 1.4 m/s
4 kg
6 kg
4 kg
6 kg
Before
After
A) completely inelastic.
B) perfectly elastic.
C) characterized by an increase in kinetic energy.
D) not possible because momentum is not conserved.
A 4,700-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are locked together after the collision and move with speed 2 m/s. What was the speed of the truck before the collision?
Please include formulas & steps because I do not understand how to approach this question, thank you!
Chapter 3 Solutions
Inquiry into Physics
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