JEE · NEET Previous Year Question

The angular speed of the wheel of a vehicle is increased from 360 rpm to 1200 rpm in 14 s. Its angular acceleration is [NEET 2020]

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a) Initial angular speed of wheel,

Final angular speed of wheel,

From the equation of rotational motion,

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