Student Center
|
Instructor Center
|
Information Center
|
Home
Physics of Everyday Phenomena, 6/e
Student Center
Choose a Chapter
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Mastery Quiz
Animations
Crossword Puzzles
Practice Problems
Know
Understand
Study Hints
Links Library
Answers to Selecte...
Feedback
Help Center
Momentum and Impulse
Mastery Quiz
1
If the speed of an object is doubled, its momentum is multiplied by
A)
4
B)
2
C)
0.5
D)
0.25
2
Impulse is calculated as
A)
the product of force and velocity
B)
the product of mass times velocity
C)
the force divided by the time interval
D)
the product of the force and the time interval
3
The impulse/momentum theorem states that the impulse is equal to
A)
the total momentum
B)
the force divided by the momentum
C)
the change in momentum
D)
the square of the momentum
4
The purpose of an airbag in an automobile is
A)
to prolong the time of impact for a given change in momentum thereby reducing the force of impact
B)
to deliver a greater force to the car occupant upon impact
C)
to shorten the time of impact
D)
to reduce the momentum of the vehicle
5
If the speed of an object is doubled its kinetic energy is multiplied by
A)
4
B)
2
C)
0.5
D)
0.25
6
The principle of conservation of momentum
A)
states that it is impossible to change the momentum of an object
B)
is valid for all collisions
C)
is valid only for perfectly elastic collisions
D)
is valid only for perfectly inelastic collisions
E)
is valid only if the net external force acting on the system is zero
7
A perfectly inelastic collision is one in which
A)
there is no damage to either object
B)
the objects bounce off each other
C)
the objects stick together after the collision
D)
kinetic energy is conserved
8
A perfectly elastic collision is one in which
A)
the objects stick together after the collision
B)
there are no forces on either object during the collision
C)
the objects must have exactly the same masses
D)
kinetic energy is conserved
E)
momentum is not conserved
9
The impulse/momentum theorem is a restatement of Newton's Second Law.
A)
True
B)
False
10
Increasing the mass of an object without changing its velocity
A)
increases its momentum and its kinetic energy
B)
decreases its momentum
C)
does not change its momentum
D)
increases its momentum and decreases its kinetic energy
E)
does not change its kinetic energy
2009 McGraw-Hill Higher Education
Any use is subject to the
Terms of Use
and
Privacy Notice
.
McGraw-Hill Higher Education
is one of the many fine businesses of
The McGraw-Hill Companies
.
2009 McGraw-Hill Higher Education