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1) A 0.1 kg object oscillates as a simple harmonic motion along the x-axis with a frequency f= 3.185 Hz. At a position x, the object has a kinetic energy of 0.7 J and a potential energy 0.3J. The amplitude of oscillation, A, is: f=3.18 sH 8 KE = 0.15 (a) 0.12 m (b) 0.22 m (c) 0.31 m PE =0.3J. (d) 0.42 m A = 1:

1) A 0.1 kg object oscillates as a simple harmonic motion along the x-axis with a frequency f= 3.185 Hz. At a position x, the object has a kinetic energy of 0.7 J and a potential energy 0.3J. The amplitude of oscillation, A, is: f=3.18 sH 8 KE = 0.15 (a) 0.12 m (b) 0.22 m (c) 0.31 m PE =0.3J. (d) 0.42 m A = 1:

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A O1 26% 0 3:38 pm live6.pdf ビy 1) A 0.1 kg object oscillates as a simple harmonic motion along the x -axis with a frequency f = 3.185 Hz. At a position x,, the object has a kinetic energy of 0.7 J and a potential energy 0.3 J. The amplitude of oscillation, A, is: f- 3.18 sH 3 (a) 0.12 m m=0.l Ka (b) 0.22 m KE= 0.78 PE =0.3J. (c) 0.31 m (d) 0.42 m A -7: E= XE +PE = o.7+ 0.3 =1J= KA". => A?= 2-2 K m=0.22 K = mw? = (0.1)(20) * : 40. => w : 20 radls 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. If the mass is changed to m' = m/2, and the spring force is changed to k' = 2k, then the new frequency f' of the oscillation would be, (a)f = 2f / m'- m K': 2K (b)f = f (c)f' = f/2 (d)f" = 4f wiVE = = 2 w. in = The following given is for questions 3 and 4: A block of mass m = 2 kg is attached to a spring with spring constant k = 200 N/m, and set to oscillates on a frictionless horizontal surface. At time t = 0 its position is xo = 0 and its velocity is vo = +5 m/s. 3) Which of the following is true about the oscillation amplitude and the phase constant, 9: (a) A = 0.5, 0 = /2 (b)A = 0.5, @ =- a/2 (c) A = 0.25, o = a/2 し。-Sm/s (d)A = 0.25, 9=-x/2 to (origin) v = Vanx = v,: Aw = A K o =X A 200 -) 5= 1 %3D m . 1(4) = Aconlwr+6) x o) = A col4).
Transcribed Image Text:A O1 26% 0 3:38 pm live6.pdf ビy 1) A 0.1 kg object oscillates as a simple harmonic motion along the x -axis with a frequency f = 3.185 Hz. At a position x,, the object has a kinetic energy of 0.7 J and a potential energy 0.3 J. The amplitude of oscillation, A, is: f- 3.18 sH 3 (a) 0.12 m m=0.l Ka (b) 0.22 m KE= 0.78 PE =0.3J. (c) 0.31 m (d) 0.42 m A -7: E= XE +PE = o.7+ 0.3 =1J= KA". => A?= 2-2 K m=0.22 K = mw? = (0.1)(20) * : 40. => w : 20 radls 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. If the mass is changed to m' = m/2, and the spring force is changed to k' = 2k, then the new frequency f' of the oscillation would be, (a)f = 2f / m'- m K': 2K (b)f = f (c)f' = f/2 (d)f" = 4f wiVE = = 2 w. in = The following given is for questions 3 and 4: A block of mass m = 2 kg is attached to a spring with spring constant k = 200 N/m, and set to oscillates on a frictionless horizontal surface. At time t = 0 its position is xo = 0 and its velocity is vo = +5 m/s. 3) Which of the following is true about the oscillation amplitude and the phase constant, 9: (a) A = 0.5, 0 = /2 (b)A = 0.5, @ =- a/2 (c) A = 0.25, o = a/2 し。-Sm/s (d)A = 0.25, 9=-x/2 to (origin) v = Vanx = v,: Aw = A K o =X A 200 -) 5= 1 %3D m . 1(4) = Aconlwr+6) x o) = A col4).
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