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A particle moves along a circular path having a radius of 2.

A particle moves along a circular path having a radius of 2.0 meters. At an instant when the speed of the particle is equal to 3.0 m/s and changing at the rate of 5.0 m/s2, what is the magnitude of the total acceleration of the particle?

a) 9.5 m/s2
b) 6.0 m/s2
c) 5.4 m/s2
d) 6.7 m/s2
e) 4.5 m/s2

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Solution
R = 2 (m)
The centripetal acceleration is:

For circular motion, the total acceleration (magnitude and direction) of the object, at ...

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