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WorksheetsUCM Quiz 3
Total questions: 15
Worksheet time: 28mins
How can you find the distance around a circle?
2πr
d/t
v2
T
An object moves in a circular path at a constant speed. Compare the direction of the object's velocity and acceleration vectors.
Both vectors point in the same direction
The vectors point in opposite directions
The vectors are perpendicular
The question is meaningless, since the acceleration is zero
An object is traveling in a circular path whose radius is 10m. Its acceleration is 4.9 m/s2. What is its velocity?
4.0 m/s
7.0 m/s
14 m/s
18 m/s
Which represents the centripetal acceleration of the ball?
Which number is the BASE?
23 = 8
2
3
8
Change from standard form to scientific notation: 0.000398
39.8 x 10^-5
3.98 x 10^-5
3.98 x 10^-4
39.8 x 10^-6
The Period of circular motion is
60 seconds.
the time it takes to make one revolution.
half the frequency.
acceleration.
Which equation is not useful for circular motion?
If an object is traveling in circular motion and its period is 3.0s, how many revolutions will it complete in 1 minute?
15
20
30
60
1. An object rotates with a period of 0.5 s. What is the frequency of rotations?
1.0 Hz
1.5 Hz
2.0 Hz
3.0 Hz
What unit is frequency measured in?
Meters (m)
Hertz (Hz)
Seconds (s)
Meters per second (m/s)
1. A runner completes 6 laps around a circular track in 420 s. What is the period?
(Show magnitude and units)
(a)
