A bullet is fired vertically upwards with velocity v from the surface of a spherical planet.When it reaches its maximum height,its acceleration due to planet's gravity is 1/4^{th} of its value at the surface of the planet.I the escape velocity from the planet is v_{esc}=v\sqrtn.then the value of N is(ignore energy loss due to atmosphere) [JEE Adv 2015 P1]

JEE Advanced 2015 Paper 1

Section: Physics

Question : 4 of 60

Marks: +1, -0

A bullet is fired vertically upwards with velocity v from the surface of a spherical planet.When it reaches its maximum height,its acceleration due to planet's gravity is

4th

of its value at the surface of the planet.I the escape velocity from the planet is vesc=v√n.then the value of N is(ignore energy loss due to atmosphere)

[JEE Adv 2015 P1]

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