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Question
Which of these has the greatest mass?A) proton
B) electron
C) both of these
D) neither of these
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:
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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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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A cannonball following a parabolic path explodes into fragments. The momentum of the fragments
A) continue along the path as if the explosion didn't occur.
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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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B) 2,000 kg m/s.
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B) 12 kg.
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Q:
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A) 3 m/s.
B) 4 m/s.
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D) 48 m/s.
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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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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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The force due to gravity that acts on a block of ice that slides down an icy ramp
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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
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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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A) somewhat greater than Moon's pull on Earth.
B) the only force acting between Earth and Moon.
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As a ball falls, the action force is the Earth's pull on the ball. The reaction force is the
A) air resistance acting against the ball.
B) acceleration of the ball.
C) ball's pull on Earth.
D) none of the above
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To produce an acceleration to a system there
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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.
C) both of these
D) neither of these