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Introducing new Paper mode
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- Multiple ChoicePlease save your changes before editing any questions.A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.30 m/s24 m/s29 m/s281 km/hr
- Multiple ChoicePlease save your changes before editing any questions.A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?24 m/s218 m/s216 m/s216 m/s
- Multiple ChoicePlease save your changes before editing any questions.A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?-7.5 m/s-7.5 m/s2-0.5 m/s27.5 mi//hr
- Multiple ChoicePlease save your changes before editing any questions.The picture of the position vs. time graph shows an object that is...accelerating/speeding upmoving at a constant speednot movingaccelerating/slowing down.
- Multiple ChoicePlease save your changes before editing any questions.A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.2.2m/s27.0m/s25.7m/s270m/s2
- Multiple ChoicePlease save your changes before editing any questions.Acceleration 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
- Multiple ChoicePlease save your changes before editing any questions.Why does a car accelerate as it round a corner at a constant speed?Its direction changesIt doesn'tIt slows downIts speeds up
- Multiple ChoicePlease save your changes before editing any questions.Acceleration only takes place when things speed up.TrueFalse
- Multiple ChoicePlease save your changes before editing any questions.In 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
- Multiple ChoicePlease save your changes before editing any questions.Which graph represents zero acceleration (constant velocity)?ABCD
- Multiple ChoicePlease save your changes before editing any questions.Which graph represents the greatest acceleration?ABCD
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is a unit for acceleration?km/sm/s2mi/hrft
- Multiple ChoicePlease save your changes before editing any questions.Which section of the graph shows acceleration?ABBCEFFG
- Multiple ChoicePlease save your changes before editing any questions.What happened during C to D point?not movingincreasing speed at a constant ratemoving at a constant speedmoving at 0 m/s2 acceleration
- Multiple ChoicePlease save your changes before editing any questions.
A car turns right without slowing down. Is this an example of acceleration?
No, acceleration is the increase or decrease in speed.
Yes, because the car changed directions.
Yes, because the car increased it's speed.
No, because the car did not change directions.
- Multiple ChoicePlease save your changes before editing any questions.When are you undergoing an acceleration in a car?speed upslow downmake turnsAll of the above
- Multiple ChoicePlease save your changes before editing any questions.How can acceleration be zero?a car runs out of gas and slowly rolls to a stopa car decreases speed at a constant rate until it comes to restcar has constant speed and is traveling on a straight paththe car travels round trip and is back at the starting point
- Multiple ChoicePlease save your changes before editing any questions.What car has the fastest acceleration?Car goes from 0-60 Mph in 3 secondsCar goes from 0-60 Mph in 4 secondsCar goes from 0-60 Mph in 5 secondsCar goes from 0-60 Mph in 6 seconds
- Multiple ChoicePlease save your changes before editing any questions.A 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