You have a spring whose total length you have measured againstthe force applied. You obtain a line of best fit, and find thatthis line contains the points (45 cm, 25 N) and (65 cm, 45 N). Whatis the spring constant of this spring, in N/m? The spring constantof this spring is _________ N/m.

You have a spring whose total length you have measured againstthe force applied. You obtain a line of best fit, and find thatthis line contains the points (45 cm, 25 N) and (65 cm, 45 N). Whatis unstretched length of this spring, in meters? The unstretchedlength of this spring is _______ m.