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Cards In This Set
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(1) The value of the acceleration of an object moving at constant velocity is ___.
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0 m/s2
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(1) A vector quantity has both magnitude and ___ while a scalar has only magnitude.
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Direction
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(1) State Newton's First Law as completely as possible.
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An object at rest or in motion will remain in that state until acted on by an unbalanced force.
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(1)State Newton's Third Law.
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For every action there is an equal and opposite reaction.
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(1)What is the contribution of Copernicus early to Astronomy?
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Sun is the center of the solar system, not the earth.
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(1) I'm just like you, only ___.
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Prettier
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(2) An object will not fall back to Earth if it is thrown horizontally with a velocity of at least ___.
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8 km/s18,000 mph
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(2) ___ provides the centripetal force needed to allow a car to turn a corner.
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Friction
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(2) The "American" unit of power is ___.
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Horsepower
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(2) Energy is the ability to do ___.
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Work
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(2) For an object to be stable (not fall over), its center of mass (gravity) must remain over its ___.
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Base
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(2) ___ keeps the planets in their orbits.
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Gravity
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(2) If you double your speed, how many times more distance do you need to stop?
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4 times
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(2) Kepler's mother was tried for ___.
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Witchcraft
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(2)The metric unit of power is the ___.
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Watt
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