Problema Solution
T varies jointly as j and m^2. When j=7 and m=2, T=84. Find T when j is 8 and m is 1.
Answer provided by our tutors
let the constant be "k"
so T = k*j*m2
as T= 84, j= 7 , m=2
we get, k= 3
so now again
in the second case , putting the values to get T= k*j*m2
we get T= 3*8*12
= 24