| ⇦ | 
| ⇨ |
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.
Related Questions: - Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- If in a nuclear fusion process, the masses of the fusing nuclei be m₁ and m₂
- The acceleration of an electron in an electric field of magnitude 50 V/cm,
- With the decrease of current in the primary coil from 2 amperes to zero value
- A current of 2A flows through a 2Ω resistor when connected across a battery
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
- Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- If in a nuclear fusion process, the masses of the fusing nuclei be m₁ and m₂
- The acceleration of an electron in an electric field of magnitude 50 V/cm,
- With the decrease of current in the primary coil from 2 amperes to zero value
- A current of 2A flows through a 2Ω resistor when connected across a battery
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply