Search and browse 1000’s of questions from past papers and view answers.
(a) Prove that the moment of inertia of a uniform disc, of mass m and radius r about an axis through its centre, perpendicular to its plane, is 1/2 mr^2. (b) A wheel consists of a uniform circular disc of radius r. The wheel rolls down a rough inclined
(2020)
(a) A U‐tube whose limbs are vertical and of equal length contains mercury of relative density 13.6. (b) A uniform rod, of length ℓ and weight W, is freely hinged at the point P.
(a) One method of dyeing a piece of cloth is to immerse it in a container which has P grams of dye dissolved in a fixed volume of water. (b) A particle P travelling in a straight line has a deceleration of 4v^n+1 m/s/s, where n (> 0) is a constant and
In an experiment to verify the principle of conservation of momentum, a body A was set in motion with a constant velocity.
(2005)
In an experiment to measure the specific latent heat of vaporisation of water, cool water was placed in an insulated copper calorimeter.
