Physics, asked by Anonymous, 6 months ago

What happens to a body when it is projected vertically upwards from the surface of the earth with a speed of 11200 m/s and why? Compare escape speeds of two planets of masses M and 4M and radii 2R and R respectively.

Answers

Answered by jagratipandey

11200 m/s = 11.2 km/s is the Escape Velocity for Earth. Any object projected vertically upwards at this speed can escape the gravity of the Earth and reach into space.

Answered by Farrpink

Explanation:

In this case Vp1/Vp2=root Mp1Rp2/Mp2Rp1=rootM×R/4M×2R=1/2root2

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