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Question
The impulse-momentum relationship is a direct result ofA) Newton's 1st law.
B) Newton's 2nd law.
C) Newton's 3rd law.
D) Newton's law of gravity.
Answer
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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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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.
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C) acts over a longer distance.
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A golf ball moving forward with 1 unit of momentum strikes and bounces backward off a heavy bowling ball that is initially at rest and free to move. The bowling ball is set in motion with a momentum of
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Q:
When you jump from an elevated position you usually bend your knees upon reaching the ground, which makes the time of the contact about 10 times that of a stiff-legged landing. In this way the average force your body experiences is
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Q:
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Q:
It is correct to say that impulse is equal to
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Q:
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B) 2,000 kg m/s.
C) 3,000 kg m/s.
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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:
A freight train rolls along a track with considerable momentum. If it rolls at the same speed but has twice as much mass, its momentum is
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Q:
A river 100 m wide flows due south at 1 m/s. A boat that goes 1 m/s relative to the water leaves the west bank. To land at a point due east of its starting point, the boat must be pointed
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Q:
As the sloped surface supporting a shoe becomes steeper
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B) the normal force becomes less.
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Q:
The force due to gravity that acts on a block of ice that slides down an icy ramp
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A) less than half her weight.
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C) more than half her weight.
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Q:
When a cannonball is fired from a cannon, which undergoes the greater acceleration?
A) the cannonball
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C) both the same
Q:
A pair of toy freight cars, one twice the mass of the other, fly apart when a compressed spring that joins them is released. Acceleration will be greater for the
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Q:
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A) somewhat greater than Moon's pull on Earth.
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Q:
As a ball falls, the action force is the Earth's pull on the ball. The reaction force is the
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C) ball's pull on Earth.
D) none of the above
Q:
To produce an acceleration to a system there
A) must be a net force on the system.
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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
A) combined weight of the arrow and bowstring.
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Q:
A fast-moving missile soaring overhead possesses
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B) force.
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