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Question
The clock on the Big Ben Tower in London reads 12 noon. If you travel away from the clock at a very high speed and view it with a telescope, you would seeA) run slower than a clock in your vehicle.
B) run faster than a clock in your vehicle.
C) be frozen at 12 noon.
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.
C) one-half as far.
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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If a Ping-Pong ball and a golf ball both move in the same direction with the same amount of kinetic energy, the speed of the Ping-Pong ball must be
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B) cancels to zero by vector addition.
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Q:
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Q:
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:
It is correct to say that impulse is equal to
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B) 2,000 kg m/s.
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Q:
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A) 4 kg.
B) 12 kg.
C) 16 kg.
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.
C) 12 m/s.
D) 48 m/s.
E) none of the above
Q:
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A) zero.
B) twice.
C) four times as much.
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Q:
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Q:
As the sloped surface supporting a shoe becomes steeper
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B) the normal force becomes less.
C) friction needed to keep it at rest increases.
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Q:
The force due to gravity that acts on a block of ice that slides down an icy ramp
A) remains equal to mg at all angles.
B) decreases as the slope of the ramp increases.
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Q:
When Nellie hangs suspended from a pair of ropes that are not vertical, the tension in each rope is
A) less than half her weight.
B) half her weight.
C) more than half her weight.
D) her weight.
Q:
When a cannonball is fired from a cannon, which undergoes the greater acceleration?
A) the cannonball
B) the recoiling cannon
C) both the same
Q:
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B) lighter car.
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Q:
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A) somewhat greater than Moon's pull on Earth.
B) the only force acting between Earth and Moon.
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Q:
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A) air resistance acting against the ball.
B) acceleration of the ball.
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.
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
A) combined weight of the arrow and bowstring.
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Q:
A fast-moving missile soaring overhead possesses
A) speed.
B) force.
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