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Question

A particle moves in a circle of radius 3.5 cm at a speed given by v=8t, where v is in cm/s and t in seconds. Find the tangential acceleration at t=2 s. (in cm/s2)

A
32 cm/s2
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B
24 cm/s2
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C
16 cm/s2
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D
8 cm/s2
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