1.a solid sphere,a hollow sphere and a disc all havin same mass and radius are placed at top of an incline and released such that friction coefficient is same for all and is not enough to allow pure rolling.least time to reac ...
The Number of triangles which are obtuse and which have the points (8,9),(8,16),(20,25) as the feet of perpendiculars drawn from the vertices on the opposite sides is a)0 b)1 c)2 d)3 ...
