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- 1. Multiple Choice
Which of the following is an example of velocity?
25 m/s
1500 km/hr
55 m/h south
all of the above
- 2. Multiple Choice
How are speed and velocity different?
Speed has a distance while velocity does not.
Velocity has a direction while speed does not.
There is no difference between speed and velocity.
Speed is calculated distance / time while velocity is calculated time / distance.
- 3. Multiple Choice
The rate at which velocity changes in a given amount of time is know as which of the following?
Direction
Distance
Speed
Motion
Acceleration
- 4. Multiple Choice
A bee flying in a circle at a constant speed. Which of the following is true.
Increases speed
Decreases speed
Changes direction
No change in acceleration
No change in velocity
- 5. Multiple Choice
An object changes its speed by going faster is called which of the following?
Velocity
Negative acceleration
Positive acceleration
Centripetal acceleration
acceleration
- 6. Multiple Choice
What is the formula to calculate speed?S = t/dS = d/tS = d x tS = t x d - 7. Multiple ChoiceWhat is the formula to calculate distance?distance = speed / timedistance = speed x timedistance = time/speeddistance = distance/speed squared
- 8. Multiple ChoiceWhat is speed?how far you gohow much distance is covered over a period of timehow fast you acceleratethe change in the location of a object
- 9. Multiple ChoiceA runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?10 m/s1000 m/s100 seconds10 seconds
- 10. Multiple ChoiceCheryl cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?55km32km43km32miles
- 11. Multiple ChoiceAlan rides his bike 100 km in 5hrs. Find his average speed in km/h5km/hr10km/hr50km/hr20km/hr
- 12. Multiple ChoiceWhat two measurements are necessary for calculating speed?Mass and timeTemperature and massMass and distanceDistance and time
- 13. Multiple ChoiceWhat is the average speed of a person who swims 105m in 70s?10.5 m70.0 m/s735 m/s1.5 m/s
- 14. Multiple ChoiceYou are riding your bike at 9 km/h. Ten minutes later, your speed is 6 km/h.Acceleration occurred because speed increased.Acceleration occurred because speed decreased.Acceleration occurred because you changed directions.
- 15. Multiple ChoiceA 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
- 16. Multiple ChoiceA 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
- 17. Multiple ChoiceA 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
- 18. Multiple ChoiceHow 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
- 19. Multiple ChoiceWhat 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
- 20. Multiple ChoiceWhich of the following is a unit for acceleration?km/sm/s2mi/hrft
- 21. Multiple ChoiceA golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?750 seconds35 seconds0.3 seconds3.3 seconds
- 22. Multiple ChoiceA negative acceleration means that your object is _____.not acceleratingnot movingspeeding upslowing down
- 23. Multiple ChoiceA ball of clay is thrown at a wall at a velocity of 28.0 m/s. After it hits the wall, it takes 0.020 s to stop. What is the acceleration of the clay when it hits the wall?1400 m/s2-1400 m/s20.56 m/s2-0.56 m/s2
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