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The angular speed of the wheel of a vehicle is increased from \( 360 \mathrm{rpm} \) to \( 1200 \mathrm{rpm} \) in 14 se…

Q1

The angular speed of the wheel of a vehicle is increased from \( 360 \mathrm{rpm} \) to \( 1200 \mathrm{rpm} \) in 14 second. Its angular acceleration is

[Re-NEET 2020]

a

\( 28 \pi \mathrm{rad} / \mathrm{s}^{2} \)

b

\( 120 \pi \mathrm{rad} / \mathrm{s}^{2} \)

c

\( 1 \mathrm{rad} / \mathrm{s}^{2} \)

d

\( 2 \pi \mathrm{rad} / \mathrm{s}^{2} \)

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