Suppose T varies jointly with r and the square of n. When r=5 and n=3, then T=180. Find T if r=9 and n=4.
2 answers
Please explain the answer
T = krn^2
so, T/(rn^2) is constant. You want T such that
T/(9*16) = 180/(5*9)
so, T/(rn^2) is constant. You want T such that
T/(9*16) = 180/(5*9)