The energy required to accelerate a body from 30ms^(-1) to 60 ms^(-1) is three times the energy required to accelerate it from 10 ms^(-1) to .v.. The value of .v. is

The energy required to accelerate a body from 30ms^(-1) to 60 ms^(-1)

1.	The energy required to accelerate a body from 30ms^(-1) to 60 ms^(-1) is three times the energy required to accelerate it from 10 ms^(-1) to .v.. The value of .v. is
Answer» `30 MS^(-1)` `20sqrt(2)ms^(-1)` `30sqrt(3)ms^(-1)` `10sqrt(10)ms^(-1)` Answer :D