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Results tagged with oscillators
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user 353088
A mechanical or electronic system or device that works on the principles of oscillation, that is a periodic fluctuation between two things based on changes in energy. These range from abstract models such as a harmonic oscillator to electrical devices such as an LC circuit.
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Show that $dE/dt = -bv^2$ (Help with differentiation) [closed]
The question is:
Show that $$dE/dt = -b (dx/dt)^2.$$
And the solution is:
1)E = 1/2 mv^2 + 1/2 kx^2
2)E = 1/2 m(dx/dt)^2 + 1/2 kx^2
3)dE/dt = 1/2 m2(d^2x/dt^2)(dx/dt) = 1/2 k2x(dx/dt)
4)m(d^2x/d …
- 1