Search and browse 1000’s of questions from past papers and view answers.
a) Prove that the moment of inertia of a uniform circular disc, of mass m and radius r, about an axis through its centre perpendicular to its plane is 1/2 mr^2. (b) An annulus is created when a central hole of radius b is removed from a uniform circula
(2010)
(a) State the Principle of Archimedes. (b) A uniform rod, of length 1.5 m and weight W, is freely hinged at a point P.
(a) Solve the differential equation y(dy/dx)=x+xy^2 given that y = 0 when x = 0. (b) The acceleration of a cyclist freewheeling down a slight hill is 0.12- 0.0006v^2 m/s/s
(a) A particle is released from rest at A and falls vertically passing two points B and C. A car accelerates uniformly from rest to a speed v in t1 seconds. It continues at this constant speed for t seconds and then decelerates uniformly to rest in t2
(2011)
(a) Two cars, A and B, travel along two straight roads which intersect at an angle "Theta" where tan"Theta"=4/3. (b) A woman can row a boat at 4 m/s in still water. She rows across a river 80 m wide.