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

1.	If the escape velocity on the earth.s surface is 11.2kms^(-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)` `22.4kms^(-1)` `11.2 sqrt2kms^(-1)` ANSWER :B