Q.

Assume that the acceleration due to gravity on the surface of the moon is 0.2 times the acceleration due to gravity on the surface of the earth. If Re is the maximum range of a projectile on the earth’s surface then what is the maximum range on the surface of the moon for the same velocity of projection

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a

5Re

b

2Re

c

0.5Re

d

0.2Re

answer is D.

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Detailed Solution

R=u2sin2θg

ReRm=0.2gege

Rm=Re0.2=10Re2=5Re

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