Question Answers

Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 11 - Rotational Mechanics > An automobile moves on a road with a speed of 54 km/h^−1. The radius of its wheel is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg/m^2. If the vehicle is brought to rest in 15 s, the magnitude of average torque transmitted by its brakes to the wheels is:

An automobile moves on a road with a speed of 54 km/h^−1. The radius of its wheel is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg/m^2. If the vehicle is brought to rest in 15 s, the magnitude of average torque transmitted by its brakes to the wheels is:

The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and normal to the disc is :