Flame Institute SCF 18 Near Chawla Lights Phase 7 Mohali Chandigarh 9888949978
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  • Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

If g is the acceleration due to gravity at the earth’s surface and r is the radius of the earth, the escape velocity for the body to escape out of earth’s gravitational field is

(a)      gr                          (b)   √2gr

(c)      g/r                          (d) r/g

Answer: b

5/5 - (1 vote)

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