If an ion engine with an exhaust velocity of 10^(8)ms^(-1) could be constructed,what percentage of the initial mass would have to be fuel if the engine were to be used to power a rocket that could attain the escape velocity of 11.2kms^(-1)? Neglect gravity and air resistance.

If an ion engine with an exhaust velocity of 10^(8)ms^(-1) could be co

1.	If an ion engine with an exhaust velocity of 10^(8)ms^(-1) could be constructed,what percentage of the initial mass would have to be fuel if the engine were to be used to power a rocket that could attain the escape velocity of 11.2kms^(-1)? Neglect gravity and air resistance.
Answer» ANSWER :`0.011%`