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What could cause the a decrease in the momentum of a moving object?
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
The momentum of an object is defined as the object’s
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the car’s average acceleration?
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
Suppose you take a trip that covers 180 km and takes 3 hours to make. Your average speed is
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
The reason padded dashboards are used in cars is that they
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
Which of the following is true of changes in momentum?
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
Which of the following involves a change in momentum?
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
How does the momentum of an object change if the object’s velocity doubles?
A large force may produce a small change in momentum by acting over a short time interval.
The momentum doubles.
6 m/s2
60 km/h
Mass times its velocity
a decrease in speed
Increase the time of impact in a collision
A spacecraft travels at constant speed while slowly losing mass.
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