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A wheel of radius of 15 cm begins to rotate on its axis from rest with...

A wheel of radius of 15 cm begins to rotate on its axis from rest with a constant angular acceleration of 6.5 rad / s. Its tangential acceleration is:

A 0.43 m / s2
B) 0.98 m / s2
C) 97.5 m / s
D) 2.31 m / s2
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Answer #1

Here, radius of the wheel, r = 15cm = 0.15m

And angular acceleration,

Thus, its tangential acceleration,

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