A 0.200 kg mass attached to the end of a spring moves up and down through 10 cycles in6.50 s. What is the force constant of the springa. 18.7 N/m b. 4.67 N/m c. 22.8 N/m d. 5.95 N/m e. 12.0 N
Question
A 0.200 kg mass attached to the end of a spring moves up and down through 10 cycles in6.50 s. What is the force constant of the springa. 18.7 N/m b. 4.67 N/m c. 22.8 N/m d. 5.95 N/m e. 12.0 N
Solution
To solve this problem, we need to use the formula for the period of a spring-mass system, which is T = 2π√(m/k), where T is the period, m is the mass, and k is the spring constant. We can rearrange this formula to solve for k: k = 4π²m/T².
First, we need to find the period of one cycle. We know that the mass goes through 10 cycles in 6.50 s, so one cycle takes 6.50 s / 10 = 0.65 s.
Now we can substitute the given values into the formula:
k = 4π²(0.200 kg) / (0.65 s)² k = 4π²(0.200 kg) / 0.4225 s² k = 5.94 N/m
So, the closest answer is d. 5.95 N/m.
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