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UCM Practice

Physics

11th - 12th Grade

Used 8+ times

UCM Practice
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22 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Asia puts her favorite Chris Brown CD in her car. If it spins with a frequency of 1800 revolutions per minute, what is the period of spin of the CD?

0.014 s

0.024 s

0.034 s

0.044 s

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Gibby, the gerbil, runs on his exercise wheel, which turns around once every 0.5 s. What is the frequency of the wheel?

1 Hz

2 Hz

3 Hz

4 Hz

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the radius of an automobile tire that turns with a frequency of 11 Hz and has a linear speed of 20.0 m/s?

0.29 m

0.39 m

0.49 m

0.59 m

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A headband stuck to the inside of the washing machine spins around the drum once every 2 s at a distance of 0.50 m from the center of the drum. What is the headband's linear speed?

4.6 m/s

3.6 m/s

2.6 m/s

1.6 m/s

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Papa John twirls pizza dough over his head with a frequency of 60 revolutions per minute. What is the tangential velocity of a meatball stuck on the dough if it flies off of the pizza 0.10 m from the pizza's center?

0.73 m/s

0.63 m/s

0.83 m/s

0.93 m/s

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A blender of radius 2.5 m turns with a frequency of 0.020 Hz. What is the tangential velocity of a small piece of food stuck to the inside wall of the mixer?

0.114 m/s

0.214 m/s

0.314 m/s

0.414 m/s

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A blender of radius 2.5 m turns with a frequency of 0.020 Hz. What is the centripetal acceleration of a small piece of food stuck to the inside wall of the mixer?

0.029 m/s2

0.039 m/s2

0.049 m/s2

0.059 m/s2

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