Question on: SS2 Physics - Mechanics - Motion in a Plane
A car is moving in a circular path with a radius of 50 metres. If the car completes one full revolution in 20 seconds, what is its speed?
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The speed of an object in uniform circular motion is given by the formula:
speed = (2πr) / T,
where r is the radius of the circle and T is the time taken to complete one revolution. Plugging in the values,
we get speed = (2π x 50) / 20 = 5 m/s.
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