Question
The maximum speed of a 4.0-kg mass attached to a spring is 0.70 m/s , and the maximum force exerted on the mass is 12 N .
a) What is the amplitude of motion for this mass?
b) What is the force constant of the spring?
a) What is the amplitude of motion for this mass?
b) What is the force constant of the spring?
Answers
Scott
1/2 k x^2 = 1/2 m v^2
... k x^2 = 4.0 * 0.70^2 = 1.96
k x = 12
dividing equations ... x = 1.96 / 12
substitute back to find k
... k x^2 = 4.0 * 0.70^2 = 1.96
k x = 12
dividing equations ... x = 1.96 / 12
substitute back to find k