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- 1. Multiple Choice
The picture of the position vs. time graph shows an object that is...accelerating/speeding upmoving at a constant speednot movingaccelerating/slowing down. - 2. Multiple ChoiceAcceleration is defined as the CHANGE intime it takes for one place to move to another place.velocity of an object.distance divided by the time intervalvelocity divided by the time interval
- 3. Multiple ChoiceWhy does a car accelerate as it round a corner at a constant speed?Its direction changesIt doesn'tIt slows downIts speeds up
- 4. Multiple ChoiceWhich graph shows the object standing still?ABCD
- 5. Multiple ChoiceIn each of the following cases, determine where the car has no acceleration ?A car shortly after a stoplight turns green.A car approaching a red lightA car with the cruise control set at 80 km/hA car turning a curve at a constant speed
- 6. Multiple ChoiceThe SI unit for acceleration ismphft/sec2m/s2
- 7. Multiple ChoiceA negative acceleration means that your object is _____.not acceleratingnot movingspeeding upslowing down
- 8. Multiple Choice
A roller coaster accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?
24 m/s2
18 m/s2
16 m/s2
16 m/s
- 9. Multiple ChoiceA drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?0 m/s40 m/s2-40 m/s240 m/s
- 10. Multiple ChoiceA car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?0.7m/s27m/s214m/s2none of the above
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