Question

A mass weighing 24 pounds, attached to the end of a spring stretches it 4 inches. Initially the mas is released from rest from a point 3 inches above the equilibrium. Find the equation of motion

Answer 1

@ash2326 @Zarkon

Answer 2

F=24,S=1/3 , x(0)=-1/3 x'(0)=0
24=K(1/3)
k=72

Answer 3

M=W/G=24/32=3/4

\[\frac{3}{4}x''+72x=0\]

Answer 4

x(t)=-(1/6)cos(4sqrt(6)*t)