The ratio of energy required to accelerated a car from rest to 20ms^(-1) to the energy needed to acceelerate from 20ms^(-1) to 40ms^(-1) is

The ratio of energy required to accelerated a car from rest to 20ms^(-

1.	The ratio of energy required to accelerated a car from rest to 20ms^(-1) to the energy needed to acceelerate from 20ms^(-1) to 40ms^(-1) is
Answer» `1:1` `1:3` `1:2` `1:4` ANSWER :B