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Question
The frequency of a note one octave higher in pitch than a 440-Hz note isA) 1760 Hz.
B) 880 Hz.
C) 440 Hz.
D) 220 Hz.
E) 110 Hz.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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B) one-fourth as far.
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Q:
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A) is more concentrated.
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C) acts over a longer distance.
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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:
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Q:
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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.
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D) 48 m/s.
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Q:
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C) four times as much.
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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:
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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:
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:
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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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.
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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
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Q:
A fast-moving missile soaring overhead possesses
A) speed.
B) force.
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