density, speed, displacement, velocity + acceleration

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5 Terms

1
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density

density is the mass of 1cm3 of a substance. density = mass / volume

2
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speed

speed = distance (m) / time (s). unit m/s

3
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displacement

distance in a given direction. depends only on your staring position and ending position.

4
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velocity

velocity is speed in a given direction. velocity = change in direction / time taken.

5
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acceleration

change in velocity in one second. acceleration = change in velocity = time taken. change in velocity - (ending speed - starting speed)