Hookes law states that the distance that a spring is stretched by hanging object varies directly as the mass of the object. If the distance is 20 cm when the mass is 3kg, what is the distance when the mass is 5 kg?

Answer 1

since d = km, d/m=k is constant. So, you want d such that

d/5 = 20/3

Answer 2

Hookes law states that