Identify the following as a change in speed, changing direction, or both.
a - change in speed
b - changing direction
c - change in both
1.Taking off when the light changes from red to green.
2.Riding on a carousel
3.A roller coaster
4.The car turning at the corner
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Acceleration is a measure of the change in velocity of a moving object. It measures the rate at which the change is occurring. It may reflect a change in speed, a change in direction, or both. Like velocity, acceleration is a vector.
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