An electric motor is very similar to
A) an electric generator.
B) an automobile battery.
C) a radio receiver.
D) none of the above
Answer: A
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If the net force acting on an object doubles, then the ________ doubles as well.
A. velocity B. speed C. acceleration D. mass
The laws of physics, chemistry, and geology have operated unchanged through time to shape Earth as we know it today. This statement can be summed up by the idea of
A) evolution. B) everlasting change. C) uniformitarianism. D) natural history.
The amount of discharge at which the stream is full is called
What will be an ideal response?
A 6.0-kg object moving 5.0 m/s collides with and sticks to a 2.0-kg object. After the collision the composite object is moving 2.0 m/s in a direction opposite to the initial direction of motion of the 6.0-kg object. Determine the speed of the 2.0-kg object before the collision.
A. 15 m/s B. 7.0 m/s C. 8.0 m/s D. 23 m/s E. 11 m/s