The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)
A
$$\frac{{\text{T}}}{3}$$
B
$$\frac{{{\text{Tg}}}}{3}$$
C
$$\sqrt {\frac{{\text{T}}}{{3{\text{m}}}}} $$
D
$$\sqrt {\frac{{3{\text{m}}}}{{\text{T}}}} $$
Correct Answer: $$\sqrt {\frac{{\text{T}}}{{3{\text{m}}}}} $$