Energy in simple harmonic motion (5 exercises)

Dịch đề và giải bài
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II. Energy in simple harmonic motion (5 exercises)

Problem 6
A mass-spring oscillator with A = 0.1 m, m = 0.2 kg, k = 50 N/m. Find total, kinetic, potential energy at x = 0.05 m.

Problem 7
Show that total energy is proportional to square of amplitude.

Problem 8
K = 0.045 J at x = 0.06 m for m = 0.3 kg. Find amplitude.

Problem 9
Amplitude is tripled. By what factor does total energy increase?