Answer:72 N
Explanation: thats whats right
its period should be the amount it takes to cycle from cycle to cycle so it would be 10 and your frequency would have to be calculated by taking 10 and dividing by 2 since that is how many cycles you have done so your frequency is 5
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Matter that emits no light at any wavelength is called DARK MATTER.
Answer: 1 pound.
Explanation:
