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Serggg [28]
3 years ago
13

An object is moving in a circle. If the radius of the object is doubled, and the period remains constant, the magnitude of the v

elocity will be ___ original value.
Physics
1 answer:
Anton [14]3 years ago
4 0

Answer:

Twice

Explanation:

From the formula for velocity in a circle

V= 2πr/T

Where V is velocity

r is raduis

T is period

We see that as r increases V increases so if r is doubled V becomes doubled

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What system does a dentist chair system use? Pneumatic or Hydraulic system?
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<h2>Answer </h2>

Hydraulic system

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3 years ago
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Two timpani (tunable drums) are played at the same time. One is correctly tuned so that when it is struck, sound is produced tha
yKpoI14uk [10]

Answer:

Explanation:

Given

Wavelength of first timpani \lambda _1=2.2\ m

Frequency corresponding to this Wavelength

f_1=\frac{v}{\lambda _1}

where v=velocity\ of\ sound (343 m/s)

f_1=\frac{343}{2.2}

f_1=155.9\ Hz

Wavelength of Second timpani \lambda _2=2.1\ m

Frequency corresponding to this Wavelength

f_2=\frac{v}{\lambda _2}

f_2=\frac{343}{2.1}=163.33\ Hz

Beat frequency =f_2-f_1

Beat frequency =163.33-155.9=7.43

so approximately 7 beats per second

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