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A small car is driving around a circular track repeatedly at a constant speed of 30...

A small car is driving around a circular track repeatedly at a constant speed of 30 meters per second. If the track measures 120 meters all the way around, the frequency is how many Hertz?

(1 Hertz = 1 cycle per second)

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Answer #1

Givent that

V=30m/Secs

Track measures total length =120meters

Total length of the track will be equals to the circumference of the circle

Therefore, 2r=120

Where "r" is the radius of circle

radius(r)=(120/2)

r=19.098m

As,we know that V=r

=(V/r)=30/19.098

=1.571 radians/Sec

Since,=2f

f=/2

f=1.571/2

f=0.25Hertz=0.25cycles per second

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