Gravitation — Physics

Test your limits with our Elite Pro-Vault Questions for physics

Question 1

EasyNEET

The orbital velocity of a satellite is given by:

\sqrt{GM/r}

\sqrt{GM/R}

\sqrt{2GM/r}

GM/r

Question 2

EasyJEE

The escape velocity from earth's surface is about:

11.2 km/s

8 km/s

22.4 km/s

5.6 km/s

Question 3

EasyJEE

The value of g at a height h above earth's surface is g' = g0(1 - 2h/R) for h<<R. The value of g at height equal to earth's radius is:

g/4

g/2

g/3

g

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