## Speed, Velocity, and Acceleration

##### Created by:

byeung100  on October 17, 2011

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# Speed, Velocity, and Acceleration

 distance/timeSpeed measurements are given in units of _____
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#### Definitions

distance/time Speed measurements are given in units of _____
distance/time^2 Measurements of acceleration are given in units of _____
average speed If you know a car travels 30 km in 20 minutes, you can find its _____
is always changing direction A child on a merry-go-round is accelerating because the child
acceleration If you divide the increase in an object's speed by the time taken for that increase, you are determining the object's _____
40 km/hr A rider finishes a 120-km bicycle trip in 3 hours. The average speed of the rider is _____
100 cm The trunk of a certain tree is 50 cm thick. Each year it gets thicker by 1 cm. How thick will the tree trunk be in 50 years?
velocity also tells direction It can be important to know the velocity of an object, not just its speed, because _____
average speed A runner starts a 5-km race at 10:15 a.m. and finishes at 10:35 a.m. Given this information, you can calculate the runner's _____
360 km/hr An airplane flies 80 km in 10 minutes an then flies 100 km in 20 minutes. The average speed of the airplane is _____

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