A force of 1 Nacts on a 1kg mass at rest for 1 s. In another case IN force acts on 1kg mass at rest and moves it through lm. The ratio of kinetic energies in the two cases is

A force of 1 Nacts on a 1kg mass at rest for 1 s. In another case IN f

1.	A force of 1 Nacts on a 1kg mass at rest for 1 s. In another case IN force acts on 1kg mass at rest and moves it through lm. The ratio of kinetic energies in the two cases is
Answer» `1:1` `1:2` `1:4` `1:SQRT(2)` ANSWER :B