1.

An objectis projected horizontally with speed1/2 sqrt((GM)/R) , froma pointat height3 R[ where R isradiusand Mis mass of earth, then objectwill ]

Answer»

Fall backon SURFACEOF EARTH by followingparabolic path
Fall back on surfaceof earth by followinghyperbolicpath
Startrotatingaroundearth in a circularorbit
Escape from gravitationalfieldof earth

ANSWER :C


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