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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
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- The Kα X-ray of molybdenum has a wavelength of 71×10⁻¹² m. If the energy of a molybdenum
- Ohm’s law is not applicable except to
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
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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