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An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg m². If the vehicle is brought to rest in 15 s, the magnitude of average torque transmitted by its brakes to the wheel is
Options
(a) 10.86 kg m² s⁻²
(b) 2.86 kg m² s⁻²
(c) 6.66 kg m² s⁻²
(d) 8.58 kg m² s⁻²
Correct Answer:
6.66 kg m² s⁻²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
- Huygen’s wave theory allows us to know
- In old age arteries carrying blood in the human body become narrow resulting
- A particle under the action of a constant force moves from rest upto 20 seconds
- A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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