Homework Help: physics

Posted by Lauria on Monday, November 5, 2012 at 8:06pm.

If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 760 N. Now if you jump on the scale from a height of 1.0 m, what does the scale read at its peak?

physics - Elena, Tuesday, November 6, 2012 at 8:46am
mg=kx
k=mg/x=760/0.5•10⁻³=...
mgh=mv²/2
mv²/2=kx²/2.
mgh=kx²/2.
x=sqrt(2mgh/k)

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