Centripetal Acceleration Answers
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In which situation would a space probe most likely experience centripetal acceleration?
A
as it revolves around a planetB
as it flies straight past a moonC
as it is pulled in a line toward the SunD
as it lifts off from Earth2
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A
0.025B
0.037C
2.1D
8.03
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A
0.0051B
0.43C
25D
844
How does an object’s motion change as a result of centripetal acceleration?
A
The speed decreases in the same direction.B
The speed increases in the same direction.C
The direction changes along with the speed.D
The direction changes but not the speed.5
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A
tangential speedB
centripetal speedC
tangential accelerationD
centripetal acceleration7
The tip of a fan blade is 0.61 m from the center of the fan. The fan turns at a constant speed and completes 2 rotations every 1.0 s.
A
6.0 m/s2B
48 m/s2C
53 m/s2D
96 m/s28
Two objects have the same center point of the circle, but are located at different positions away from the center point. Each object is moving with uniform circular motion.Which would describe the tangential speed of the objects?
A
both objects would have the same tangential speedB
the object with the smaller radius has a faster tangential speedC
the object with the larger radius has a faster tangential speedD
both objects would have oscillating tangential speeds9
Dao makes a table to identify the variables used in the equations for centripetal acceleration.
A
X: centripetal accelerationY: periodB
X: tangential speedY: radiusC
X: radiusY: centripetal accelerationD
X: periodY: tangential speed10
Which expression can be used to calculate centripetal acceleration?
A
StartFraction 2 pi r over T EndFraction
B
StartFraction 4 pi squared r over r squared EndFraction
C
StartFraction 4 pi squared r over T EndFraction
D
StartFraction left parenthesis 2 pi r right parenthesis squared over r squared EndFraction
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