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Hello, I am having trouble with this one. I got the mass, but I am not calculating B the right way. Thanks!

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\63 Chem 400 Home Pa .
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An astronaut wants to find out his mass while in orbit , to find out if he is staying healthy while in space . Since he can't use a bathroom scale
( why not ? ) , he attaches himself to a spring ( K = 2300 N / m ) , pulls himself back from the spring's equil length by 5 m, and times one oscillation to
take 1 5 .
|2 . ) What is the mass of the astronaut ?
\58.3
|~ kg
b. ) Find the potential energy stored in the spring when it is furthest from its equilibrium length .
1460
X J
C . ) Find the speed of the astronaut when he passes through the spring's equilibrium .
m / s
|d . ) If he started at a displacement from equilibrium of 6 in instead , how long would one oscillation take now ?
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