1

JEE Main 2020 (Online) 8th January Evening Slot

Numerical

+4

-0

A ball is dropped from the top of a 100 m high
tower on a planet. In the last $${1 \over 2}s$$ before hitting
the ground, it covers a distance of 19 m.
Acceleration due to gravity (in ms

^{ā2}) near the surface on that planet is _____.Your input ____

2

JEE Main 2020 (Online) 8th January Evening Slot

Numerical

+4

-0

An asteroid is moving directly towards the
centre of the earth. When at a distance of
10R (R is the radius of the earth) from the earths
centre, it has a speed of 12 km/s. Neglecting
the effect of earths atmosphere, what will be the
speed of the asteroid when it hits the surface
of the earth (escape velocity from the earth is
11.2 km/s) ? Give your answer to the nearest
integer in kilometer/s _____.

Your input ____

Questions Asked from Gravitation (Numerical)

Number in Brackets after Paper Indicates No. of Questions

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