a spring with a length of 22.0 centimeters hangs from a ceiling. when a 755-gram mass is attached ti the spring, the spring strethes to 35.0 centimeters. what is the magnitude of the spring constant in N/m

Answer 1

The stretching distance is 35 -22 = 13 cm
= 0.13 m

The force is M*g = 0.755kg*9.81 m/s^2
= 7.41 N

The spring constant is 7.41/0.13 = ___ N/m