A spring scale has a spring coefficient of 400 n/m. Determine the mass of an object if it causes the scale's platform to sink .08m.
k = 400 N/m
x = 0.08 m
F = k x
w = k x
m g = k x
m = kx/g
g = 9.8 m/s^2
x = 0.08 m
F = k x
w = k x
m g = k x
m = kx/g
g = 9.8 m/s^2