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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Work done by an external agent in separating the parallel plate capacitor is
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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