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Question
Solve the following problem.
A particle moves in a circle with a constant speed of 15 m/s. The radius of the circle is 2 m. Determine the centripetal acceleration of the particle.
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Solution
Given: v = 15 m/s, r = 2m
To find: Centripetal acceleration (a)
Formulae: a = `"v"^2/"r"`
Calculation: From formula,
a = `(15)^2/2 = 225/2`
∴ a = 112.5 m/s2
The centripetal acceleration of the particle is 112.5 m/s2.
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