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Tangential Velocity Practice

Last updated about 3 years ago

11 questions

Note from the author:

Equations:
vt= 2𝛑r / T
r= vt*T/2𝛑
T= 2𝛑r/vt 

Instructions

Equations:
vt= 2𝛑r / T
r= vt*T/2𝛑
T= 2𝛑r/vt 

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Question 1

1.

How fast is a ball traveling in a circle if attached to a 2m string that completes a revolution in 3 seconds?

Question 2

2.

How fast is Lightning McQueen drifting around the race track, if the radius is 80 m and he completes one lap every 26 seconds?

Question 3

3.

What is the length of a string that a ball is attached to if the ball is traveling at 9.2m/s in .04 seconds?

Question 4

4.

What is the radius of a circular path covered by a ball that is traveling at 5.8m/s in 1.7seconds?

Question 5

5.

What is the tangential velocity of Officer Judy Hopps as she was flushed down the toilet with a radius of 0.8m and revolved every 1.2 seconds?

Question 6

6.

What is the period of time for a ball attached to a string to travel at 28m/s in a circle if the string is 1.2m long?

Question 7

7.

As the period increases velocity will- (assume radius is constant)

Increase 

Decrease

Remain the Same

Question 8

8.

As the radius decreases, the period will- (assume velocity is constant)

Increase 

Decrease

Remain the Same

Question 9

9.

A figure skater is spinning in a circle with her arms out (0.5m). She completes one spin every 0.2 seconds. What is her velocity?

Question 10

10.

The same skater above now pulls her arms in (radius of 0.12 m). Assuming her velocity will stay the same, what is her period of rotation?

Question 11

11.

Draw in the Tangential Velocity for Point A and Point B