If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Gravitation (Class 11) — quick quiz

5 real REAP questions on Gravitation (Class 11). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 4

HARD

The escape velocity from Earth's surface is approximately 11.2 km/s. What would be the escape velocity from a planet having twice the mass and twice the radius of Earth?