The angular displacement - of a fly wheel at the instant t is given by -2 t3-4 t2-8The angular acceleration of the fly wheel after 2 s isA- 16 rad - s 2B- 8 rad - s 2C- 12 rad - s 2D- 20 rad - s 2

The correct option is A 16 rad/s2 ...

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Angular Displacement

The angular d...

Question

The angular displacement θ of a fly wheel at the instant t is given by

θ = 2t³ - 4 t² + 8

The angular acceleration of the fly wheel after 2s is

16 rad/s²

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8 rad/s²

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12 rad/s²

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20 rad/s²

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Solution

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Similar questions

ω = (4 - 6 t + 3 t^{2}) rad/s

t = 2 s

t = 4 s

θ = 24 t - 2 t^{3}

θ = 4 t - 3 t^{2} + t^{3}

θ

t

t = 2 sec

140 kg

3 m

240 rpm

7

θ = 2 t^{3} + 0.5

θ

t

2 s

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