Two planets of radii `R_(1)` and `R_(2` have masses `m_(1)` and `M_(2)` such that `(M_(1))/(M_(2))=(1)/(g)`. The weight of an object on these planets is `w_(1)` and `w_(2)` such that `(w_(1))/(w_(2))=(4)/(9)`. The ratio `R_(1)/R_(2)`
If two planets of radii R_(1) and R_(2) have densities d_(1) and d_(2) , then the ratio of their respective acceleration due to gravity is
Two planets have radii r_(1) and r_(2) and densities d_(1) and d_(2) respectively. Then the ratio of acceleration due to gravity on them is
Two planets have radii r_(1) and 2r_(1) and densities are rho_(1) and 4rho_(1) respectively. The ratio of their acceleration due to gravities is
The figure represents two concentric shells of radii R_(1) and R_(2) and masses M_(1) and M_(2) respectively. The gravitational field intensity at the point A at distance a (R_(1) lt a lt R_(2)) is
Two planets of radii r_1 and r_2 are made from the same material. The ratio of the acceleration of gravity g_1//g_2 at the surfaces of the planets is
Consider two solid sphere oFIGURE radii R_(1)=1m, R_(2)=2m and masses M_(1) and M_(2) , respectively. The gravitional FIGUREield due to sphere 1 and 2 are shown. The value oFIGURE (M_(1))/(M_2)) is:
Two spherical nuclei have mass number 216 and 64 with their radii R_(1) and R_(2) respectively. The ratio, (R_(1))/(R_(2)) is equal to
Three planets of same density have radii R_(1),R_(2) and R_(3) such that R_(1) = 2R_(2) = 3R_(3) . The gravitational field at their respective surfaces are g_(1), g_(2) and g_(3) and escape velocities from their surfeces are upsilon_(1),upsilon_(2) and upsilon_(3) , then
Consider two solid spheres of radii R_1 = 1 m, R_2 =2m and masses M_1 and M_2 , respectively . The gravitational field due to sphere (1) and (2) are shown. The value of M_1/M_2 is :
Two particles of masses m_(1) and m_(2) are moving in concentric circle of radii r_(1) and r_(2) such that their period are same. Then the ratio of their centripetal acceleration is
