A sphere A of mass m moving with a velocity hits another stationary sphere B of same mass. if the ratio of the velocities of the spheres after collision is v A v B = 1 − e 1 + e where e is the …

The mass of the sphere before hollowing was M= 2.95 kg. With what gravitational force does the hollowed-out lead sphere attract a small sphere of mass m=0.431 kg that lies at a distance d= …

In all the four cases, as the mass density is uniform, centre of mass is located at their respective geometrical centres. i) Sphere - Centre of Sphere ii) Cylinder - Middle Point on axis of cylinder

Consider three uniform solid spheres (i) has radius ' r ' and mass ' m ', sphere (ii) radius r and mass 3 m, sphere (iii) has radius 3 r and mass m. All the spheres can be placed at the same …

Two uniform solid spheres of equal radii R and mass M and 4 M have a centre to centre separation of 6 R. The two spheres are held fixed. A projectile of mass m is projected from the …

A long horizontal plank of mass 'm' is lying on a smooth horizontal surface. A solid sphere of same mass ′ m ′ and radius ′ r ′ is spinned about its own axis with angular velocity ω 0 and gently …

A cavity of radius R 2 is made inside a solid sphere of radius R. The centre of the cavity is located at a distance R 2 from the centre of the sphere. The gravitational field intensity at a point P, as …

Two titanium spheres approach each other head-on with the same speed and collide elastically. After the collision, one of the spheres, whose mass is $$ 300\, g, $$ remains at rest. (a) What …

The centre of the cavity is located at a distance R / 2 from the centre of the sphere. The gravitational force on a particle of mass m at a distance R / 2 from the centre of the sphere on …

The centre of the cavity is located at a distance R 2 from the centre of sphere . The gravitational force on a particle of mass m at a distance R 2 from the centre of the sphere on the line joining …