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2 cards from this section. Quick, good the night before a test.
What is acceleration?
Think about what happens when speed increases.
If a car speeds up from 30 m/s to 60 m/s in 5 seconds, what is the acceleration?
Use the formula: a = (final velocity - initial velocity) / time.
What does acceleration measure?
Think about what happens to speed during driving.
A negative acceleration indicates that an object is:
Consider the term 'deceleration.'
A car starts from rest and accelerates uniformly at 3 m/s² for 5 seconds. Calculate the final velocity and the distance traveled during this time.
Use the equations of motion under constant acceleration.
An object moving at 10 m/s accelerates at a rate of -2 m/s². How long will it take for the object to come to a stop?
Remember that a negative acceleration means the object is slowing down.
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