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Hace 2 días · Two heavy spheres each of mass 100kg and radius 0.10m apart on a horizontal table. What is the gravitational force and potential at the midpoint of the line joining the centre of the spheres?
Hace 3 días · This stunning image was painted in oil on canvas by Salvador Dali in 1952. It features his wife Gala, who often modeled for him and is a wonderful fusion of renaissance style portraiture with Dali's interest in the theories behind the disintegration of the atom. Dali and Gala met in 1929 and according to Dali, it was love at first sight.
Hace 3 días · A sphere is melted and half of the molten liquid is used to form 11 identical cubes, whereas the remaining half is used to form 7 identical small spheres. The ratio of the side of the cube to the radius of the new small sphere is –A.${\\left( {\\dfra...
Hace 2 días · Hint:The rigid body is defined as the collection of particles such that the distance from any two points remains constant during the motion of the body.A rigid body can be of any shape so here introduced the concept of center of mass.
Hace 2 días · Two identical charged spheres suspended from a common point by two massless strings of lengths $ l $ , are initially at a distance $ d\;(d \ll l) $ apart because of their mutual repulsion. The charges begin to leak from both the spheres at a constant rate. As a result, the spheres approach each other with a velocity $ v $ .
Hace 4 días · Two identical small conducting spheres, having charges of opposite sign, attract each other with a force of 0.108N when separated by 0.5m. The spheres are connected by a conducting wire, which is then removed, and thereafter, they repel each other with a force of 0.036N. The initial charges of the spheres are.
Hace 2 días · Hint: We have to find a ratio of thin spherical shell and a solid shell. So first we will find the moment of inertia of both the shells and it is given that the moment of inertia in both cases are the same so we will equate the equations and further solve to find their ratios.
