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- mass
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.hello professor,
can please look at the solution of number 5 in the attach file. i am little confuse how they get m=mg/g were mg=2 and g=9.8 so how they got 1/16.
I think you have to convert g=9.8m/s to g=32 ft/s since its using inches so it becomes m=2lb/32 ft/s =1/16
Thank you keven :)
hi i have another question. how they come up with the initial condensation u(0) =1/4, u′(0) = 0? ….thank you.
From the equilibrium position, the mass was pulled down 3 inches, which is 1/4 ft.
Also, it was just released so that the initial velocity is 0.
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