Problema Solution
the elongation E of a spring balance varies directly with the applied weight W. If E=3 when W=20, find E when W=15.
Answer provided by our tutors
3 : 20 = E : 15
E = (3*15)/20
E = 2.25
the elongation E of a spring balance varies directly with the applied weight W. If E=3 when W=20, find E when W=15.
3 : 20 = E : 15
E = (3*15)/20
E = 2.25