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- 1. Multiple Choice
A pilot experiences centripetal acceleration of 2g's (2 x 9.8 m/s2) while maneuvering a loop at a speed of 400 m/s. What is the radius of the loop?
203 m
8163 m
80,003 m
23 m
- 2. Multiple ChoiceCalculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.2.4 m/s3.6 m/s3.9 m/s4.2 m/s
- 3. Multiple ChoiceCentripetal acceleration acts towards the ___________ of the circular motioncentrecircumference
- 4. Multiple Choice
A ball is moving at constant speed around the circle. Which letter represents the acceleration of the ball?
A
B
C
D
Nonsense. The ball can't be accelerating while moving at a constant speed.
- 5. Multiple ChoiceWhich of the following depict the speed of the blowing ball?ABCD
- 6. Multiple ChoiceA test car moves at a constant speed around a circular track. If the car is 48.2 m from the track's center and has a centripetal acceleration of 8.05 m/s2, what is the car's tangential speed?19.7 m/s5.99 m/s0.17 m/s388.01 m/s
- 7. Multiple Choice
The linear velocity is always _____ to the line of a circle.
outwards
towards the center
tangent
faster
- 8. Multiple Choice
Bentley the bat has a mass of 0.58 kg and flies at a speed of 0.8 m/s in circle of radius 0.5 m. What is his acceleration?
0.25 m/s2
1.3 m/s2
1.6 m/s2
0.74 m/s2
- 9. Multiple ChoiceThe velocity is always _____ to the line of a circle.outwardstowards the centertangentfaster
- 10. Multiple ChoiceAn object moves with a constant speed of 30 m/s on a circular track of radius 150 m. What is the magnitude of the acceleration of the object?
A) zero
B) 0.17 m/s2
C) 5.0 m/s2
D) 6.0 m/s2ABCD - 11. Multiple ChoiceCalculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.2.4 m/s3.6 m/s3.9 m/s4.2 m/s
- 12. Multiple ChoiceA test car moves at a constant speed around a circular track. If the car is 48.2 m from the track's center and has a centripetal acceleration of 8.05 m/s2, what is the car's tangential speed?19.7 m/s5.99 m/s0.17 m/s388.01 m/s
- 13. Multiple ChoiceCalculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.2.4 m/s3.6 m/s3.9 m/s4.2 m/s
- 14. Multiple Choice
A tennis ball on a string is spun clockwise around a circle. After the string breaks, which path will the tennis ball follow?
Path I
Path II
Path III
Path IV
- 15. Multiple Choice
•What is the centripetal acceleration of a toy ball on the end of a 1.44 meter long string if it is moving at 12 meters per second?
0.12 m/s^2
8.33 m/s^2
0.173 m/s^2
100 m/s^2
- 16. Multiple Choice
•What is the centripetal acceleration acting on a 2000 kilogram airplane if it turns with a radius of 1000 meters while moving at 300 meters per second?
180,000 m/s^2
0.3 m/s^2
90 m/s^2
600 m/s^2
- 17. Multiple Choice
what is the centripetal acceleration formula?
- 18. Multiple Choice
A toy car is following a circular path with a constant speed of v=3 m/s . If the radius of the circular path is 1 m, find The centripetal acceleration of the car
30 m/s2
3 m/s2
9 m/s2
6 m/s2
- 19. Multiple ChoiceCalculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.2.4 m/s3.6 m/s3.9 m/s4.2 m/s
- 20. Multiple ChoiceA test car moves at a constant speed around a circular track. If the car is 48.2 m from the track's center and has a centripetal acceleration of 8.05 m/s2, what is the car's tangential speed?19.7 m/s5.99 m/s0.17 m/s388.01 m/s
- 21. Multiple ChoiceWhat object experiences uniform circular motion?A car speeding up as it turns leftA car traveling around a roundabout at a constant speedA car slowing down as it crests a tall hillA car traveling down the road at a constant speed
- 22. Multiple Choice
What's the centripetal acceleration of an object traveling 2 m/s around a circle of diameter 1 m?
4 m/s2
8 m/s2
10 m/s2
16 m/s2
- 23. Multiple Choice
Which direction would the pink object go if the disc suddenly stopped turning?
vector D
vector C
vector B
vector A
- 24. Multiple ChoiceCentripetal acceleration always pointsin the direction of the object's motionin the opposite direction of the object's motiontowards the center of the circletowards the outside of the circle
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