An object of mass $m$ is at rest on earth's surface. Escape speed of this object is $v_e$. Same object is orbiting earth with $h=R$, then its escape speed will be $v_e^{{}^{\prime }}$. Find the correct alternative

Q. An object is projected vertically upwards from the surface of the earth with a velocity $3$ times the escape velocity $v_e$ from earth's surface. What will be its final velocity after escape from the earth's gravitational pull?

Q. A satellite is revolving round the earth with orbital speed $v_0$. If it stops suddenly, find the speed with which it will strike surface of earth ($v_e$= escape velocity of a particle on earth's surface).

Q. A satellite is revolving round the earth with orbital speed $v_0.$ If it stops suddenly, the speed with which it will strike the surface of earth would be ($v_e=$ escape velocity of a particle on earth's surface.)

Q. A satellite is orbiting the earth close to its surface. A particle is to be projected from the satellite to just escape from the earth. The escape speed from the earth is ${\nu }_e$. Its speed with respect to the satellite
(a) will be less than ${\nu }_e$
(b) will be more than ${\nu }_e$
(c) will be equal to ${\nu }_e$
(d) will depend on the direction of projection.

Q. A satellite is revolving around earth with orbital speed $v_0$. If it stops suddenly, find the speed with which it will strike the surface of earth. $(v_e=$ escape velocity).