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

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

1.	The energy required to accelerate a body from 30 ms^(-1) " to" 60 ms^(-1) is three times the energy required to accelerate it from 10ms^(-1) to 'v'. The value of 'v' is
Answer» `30 MS^(-1)` `20 SQRT2 ms^(-1)` `30 SQRT3 ms^(-1)` `10 sqrt10 ms^(-1)` Answer :D