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Question
Magnetic compasses reportedly were first used for navigation byA) Aristotle.
B) Australian aborigines.
C) Chinese sailors.
D) none of the above
Answer
This answer is hidden. It contains 1 characters.
Related questions
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C) acts over a longer distance.
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Q:
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When a cannonball is fired from a cannon, which undergoes the greater acceleration?
A) the cannonball
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A) somewhat greater than Moon's pull on Earth.
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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
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A) must be a net force on the system.
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A fast-moving missile soaring overhead possesses
A) speed.
B) force.
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