Question

If in a system unit of mass is 5kg, unit of length is 10m and unit of time as 5sec, then what will be the value of 1 unit energy in new system.
A. 10 Joules
B. 5 Joules
C. 20 Joules
D. 15 Joules

Answer 1

`[E]=[ML^(2)T^(-2)]=(5)`
`=(10)^(2)(5)^(2)=20` joules