vishaka31 Asked: January 2023 what is the escape velocity for a body on the surfaceof a planet on which the acceleration due to gravity is31m s and whose radius
vishaka31 Asked: January 2023 Two planets have radii r1 and r2 and densities d1and d2 respectively. Then the ratio of accelerationsdue to gravity on them is(a) r1d1: r2d2(b) r1d2 :
vishaka31 Asked: December 2022 A person, with outstretched arms, is spinning on a rotating stool. He suddenly brings hisarms down to his sides. Which of
vishaka31 Asked: December 2022 A particle of mass m describes uniform circular motion in a horizontal plane. The quantity that is conserved is(a) linear velocity (b) linear