MHT CET Physics question
The escape velocity of a body from the earth is . If the radius of earth contracts to (1/4) th of its value, keeping the mass of the earth constant, the escape velocity will be
Answer: (A)
Solution
, so with the speed becomes ;
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account