A child’s swing (a pendulum) has only one natural frequency, f1, yet it can be driven or pushed smoothly at frequencies of f1/2, f1/3, and 2f1. How is this possible?
Answer to relevant QuestionsBy rubbing the circular lip of a wide, thin wine glass with a moist finger, you can make the glass “sing.” (Try it.) (a) What causes this? (b) What would happen to the frequency of the sound if you added water to the ...(a) At what position is the magnitude of the force on a mass in a mass–spring system minimum: (1) x = 0, (2) x = – A, or (3) x = + A? Why? (b) If m = 0.500 kg, k = 150 N/m, and A = 0.150 m, what are the magnitude of the ...A 75-kg circus performer jumps from a 5.0-m height onto a trampoline and stretches it downward 0.30 m. Assuming that the trampoline obeys Hooke’s law, (a) How far will it stretch if the performer jumps from a height of ...Write the general equation of motion for a mass that is on a horizontal frictionless surface and is connected to a spring at equilibrium (a) If the mass is initially pulled in the axis from the spring (stretched) and ...(a) If the mass in a mass–spring system is halved, the new period is (1) 2, (2) √2, (3) 1/√2, (4) 1/2 times the old period. Why? (b) If the initial period is 3.0 s and the mass is reduced to 1/3 of its initial value, ...
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