Mechanics
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Speed, Displacement, Velocity & Acceleration
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8 Terms
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Displacement
is a straight-line distance in a give direction.
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Speed
is distance divided by time. It’s the rate of change of distance with respect to time.
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Average speed
distance/time
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Velocity
is the rate of change of displacement with respect to time
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Velocity
displacement/time
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Acceleration
is the rate of change of velocity with respect to time
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acceleration
change in velocity/time
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Acceleration due to gravity
in the absence of air resistance, all object in freefall near the surface of the Earth will experience the same acceleration
Note 
Flashcards (31)