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A 0.225-kg particle undergoes simple harmonic motion along the horizontal x-axis

ID: 2098194 • Letter: A

Question

A 0.225-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1 = -0.259 m and x2 = 0.411 m. The period of oscillation is 0.655 s. Find the frequency, f, the equilibrium position, xeq, the amplitude, A, the maximum speed, vmax, the maximum magnitude of acceleration, amax, the force constant, k, and the total mechanical energy, Etot.

frequency=__HZ

equilibrium postition=____m

A=___m

max speed=___m/s

max magnitude=___m/s^2

k=___N/m

total mechanical energy=___J

Explanation / Answer

f= 1/T = 1/0.655 = 1.527 s^-1 equilibrium position = 0.411- [(0.411+0.259)/2] = 0.076 Amplitude = (0.411+0.259)/2 = 0.335 w= 2*pi * f= 9.59 so, K= w^2 *m = 20.693 1/2 mv^2 = 1/2 K * A^2 => v= 3.213 m/s Total mechanical energy = 1/2 K* A^2 = 1.16 J maxm. acceleration = w^2 .A = 30.809 m/s2