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4 cards from this section. Quick, good the night before a test.
What is the formula for average acceleration?
Think about how change in speed relates to time.
If a car is traveling at 60 m/s and speeds up to 80 m/s in 4 seconds, what is its average acceleration?
Use the average acceleration formula.
What is the unit of acceleration?
Remember how we often express changes in movement.
True or False: High negative acceleration can also be referred to as deceleration.
Think of how speed decreases as brakes are applied.
A runner accelerates from rest to a speed of 10 m/s in 5 seconds over a distance of 25 m. Calculate the acceleration and verify.
Use the equations relating distance to acceleration and time.
An object is thrown vertically upwards with an initial velocity of 20 m/s. How high does it rise before coming back down? Assume g = -9.8 m/s².
Remember to account for the direction of gravity in your calculations.
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