[" The mass density of a planet of radius "R],[" varies with the distance "r" from its centre as "],[rho(r)=rho_(0)(1-(r^(2))/(R^(2)))],[" Then the gravitational field is maximum at : "]

The mass density of a planet of radius R varie with the distance r form its centre as rho (r) = p_(0) ( 1 - (r^(2))/(R^(2))) . Then the graviational field is maximum at :

The mass density of a planet of radius R varie with the distance r form its centre as rho (r) = p_(0) ( 1 - (r^(2))/(R^(2))) . Then the graviational field is maximum at :

Mass density of sphere having radius R varies as rho = rho_0(1-r^2/R^2) . Find maxium magnitude of gravitational field

Mass density of sphere having radius R varies as rho = rho_0(1-r^2/R^2) . Find maxium magnitude of gravitational field

[" Consider a spherical symmetric "],[" charge distribution with charge "],[" density varying as "],[[rho={[rho_(0)(1-(r)/(R)),r R]]

A sphere of charges of radius R carries a positive charge whose volume chasrge density depends only on the distance r from the ball's centre as rho=rho_0(1-r/R), where rho_0 is constant. Assume epsilon as theh permittivity of space. the maximum electric field intensity is

A sphere of charges of radius R carries a positive charge whose volume chasrge density depends only on the distance r from the ball's centre as rho=rho_0(1-r/R), where rho_0 is constant. Assume epsilon as theh permittivity of space. the maximum electric field intensity is

A spherical region of space has a distribution of charge such that the volume charge density varies with the radial distance from the centre r as rho=rho_(0)r^(3),0<=r<=R where rho_(0) is a positive constant. The total charge Q on sphere is