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Laabri

Tangential Velocity Practice

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Last updated 3 months ago
11 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Equations:

vt= 2𝛑r / T

r= vt*T/2𝛑

T= 2𝛑r/vt

Equations:

vt= 2𝛑r / T

r= vt*T/2𝛑

T= 2𝛑r/vt

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

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

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8.

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

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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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Draw in the Tangential Velocity for Point A and Point B