[" hen "(1)/(pi)" such a manner that the rate of decrease of the "],[" volume at any instant is propertional to the "],[" surface.Show that the radius is decreasing at "],[" of "]

A spherical ball of salt is dissovlging water in such a manner that the rate of decrease of the volume at any instant is proportional to the surface. Prove that the radis is decreasing at a constant rate.

A spherical ball of salt is dissolving in water in such a manner that the rate of decrease of volume at any instant is proportional to the surface.Prove that the radius is decreasing at a constant rate.

A spherical ball of salt is dissolving in water in such a manner that the rate of decrease of volume at any instant is proportional to the surface. Prove that the radius is decreasing at a constant rate.

A spherical ball of salt is dissolving in water in such a manner that the rate of decrease of volume at any instant is proportional to the surface. Prove that the radius is decreasing at a constant rate.

A spherical ball of salt is dissolving in water in such a manner that the rate of decrease of volume at any instant is proportional to the surface. Prove that the radius is decreasing at a constant rate.

A spherical ball of salt is dissolving in water in such a manner that the rate of decrease of the volume at any instant is propotional to the surface. Prove that the radius is decreasing at a constant rate. Hint for solution : Take volume V and curve surface are S of spherical ball. Calculate by taking (dV)/(dt)alpha S .

Is there any reaction whose rate does not decrease with time ?

Is there any reaction whose rate does not decrease with time ?

The radius of a sphere is decreasing at the rate of 3 cm per second. Obtain the rate of decrease of the surface area when the radius is 18 cm.

What will be the percentage increases or decrease in the value of acceleration due to gravity on the surface of the earth , if the radius of the earth decreases by 1% and the mass of the earth remains unchanged ?