If the escape velocity on the earth.s surface is 11.2 "kms"^(-1) , its value on a planet having double the mass and double the radius that of the earth is

If the escape velocity on the earth.s surface is 11.2 "kms"^(-1) , its

1.	If the escape velocity on the earth.s surface is 11.2 "kms"^(-1) , its value on a planet having double the mass and double the radius that of the earth is
Answer» 5.6`"KMS"^(-1)` 11.2`"kms"^(-1)` 22.4`"kms"^(-1)` `11.2 SQRT2"kms"^(-1)` ANSWER :B