A particle moves along a circular path having a radius of 2.0 m. 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. 7.5 m/s2
b. 6.0 m/s2
c. 5.4 m/s2
d. 6.7 m/s2
e. 4.5 m/s2
D
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