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Question
To catch a fast-moving ball, you extend your hand forward before contact with the ball and let it ride backward in the direction of the ball's motion. Doing this reduces the force of contact on your hand principally because theA) force of contact is reduced.
B) relative velocity is less.
C) time of contact is increased.
D) time of contact is decreased.
E) none of the above
Answer
This answer is hidden. It contains 1 characters.
Related questions
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If the speed of a bicycle is reduced to half before skidding to a stop, it will skid
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B) one-fourth as far.
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D) none of the above
Q:
A cannonball has more kinetic energy than the recoiling cannon from which it is fired because the force on the ball
A) is more concentrated.
B) meets less resistance than the cannon on the ground.
C) acts over a longer distance.
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B) cancels to zero by vector addition.
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A fan attached to an ice sailcraft stalled on a windless day blows air into the sail that bounces backward upon impact. The boat
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Q:
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Q:
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Q:
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Q:
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B) 12 kg.
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D) 144 kg.
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Q:
The speed of a 4-kg ball with a momentum of 12 kg m/s is
A) 3 m/s.
B) 4 m/s.
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D) 48 m/s.
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Q:
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A) zero.
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Q:
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D) nowhere"it can't be done.
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Q:
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Q:
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A) less than half her weight.
B) half her weight.
C) more than half her weight.
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Q:
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B) lighter car.
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Q:
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C) ball's pull on Earth.
D) none of the above
Q:
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A) must be a net force on the system.
B) may or may not be a net force on the system.
C) must be acceleration outside the system also.
Q:
An archer shoots an arrow. Consider the action force to be the bowstring against the arrow. The reaction to this force is the
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Q:
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