Simple Harmonic Motion: Parameters and Typical Relationship - 无忧得胜-网上国际课程 (5edu.win)

1#

05.12: A mass on the end of a spring oscillates with the dispg lz1z7wl c;f0i9jl4mlacement versus time graph shown to the right. Which of the following statements about its motion is INCORRzi z lf9jmw1lg4c 07;lECT?

A. The amplitude of the oscillations is 0.08 meters.

B. The frequency of oscillations is 0.5 Hz.

C. The mass achieves a maximum in speed at t = 1.0 second.

D. The period of oscillations is 2.0 seconds.

E. The mass experiences a maximum in the size of the acceleration at t = 1.5 s.

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.08: A mass is connected to the end of a spring andnl6 8 p1-7o1ukmnku/xw o84d -bgrh ii undergoes simple harmonic 1om7ubn8okr 4n-di 6gph 1/wl8i- xukoscillation. The graph provided shows the position of the mass as measured from the floor as a function of time.
What is the period of the mass’s oscillation (in units of seconds)?

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.09: A mass is connected to e+nhkjp 3t7q)ziqy8 8ca*3 lxthe end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measured froy qei8 jl3kqh38a*znp 7x)+tcm the floor as a function of time.
What is the amplitude of the mass’s oscillation (in units of meters)?

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

14.08: A 2.50 g mass connected to t9zp at +c6(dpycwtb8i( t5u,zhe end of an ideal spring oscillates in simple harmonic motion. The mass’s position is described as a function of time by x(t) =0.20 cos(8.00 t + 0.50) where all quantities are in base SI units. Which one of the following choices gives the numerical value of the oscillation’c b(pczp8td6 ywu9(i5 t+z,ats amplitude in base SI units?

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.26: The position of a mass connected to a spring obeys x(t) = Acos(su vz py*z,pac* tlw0x:o0d03 wt) . What is the averagzz **tludw0yv:,0pcoa3 sx0pe speed for one full oscillation in terms of the mass’s maximum speed during oscillation, $V_max$?

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.37: An object on a spring undd.wb j -3fksn 4rk((udergoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t is in seconds. What is the am(s- dk.n3 rwud(4jk bfplitude of the vibrating mass on the spring?

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.38: An object on a spring undergoes Simple Harmonic Motion. Its motion can -oktdbho*0 ;u ddi-3cm c0l zk1no,8hbe described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t is in seconds. What is the period of vibration of theh*b c-onh3 0dtul kdod0i81;-ok ,mcz mass on the spring?

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

00.08: A pendulum is pulled to one side a-asu( e n8pla/r87uffkr 7 1cwnd released. It swings freely to the opposite side an8 an w-71cefu fr8spu r/kl7a(d stops. Which of the following might best represent graphs of kinetic energy $E_k$, potential energy $E_p$ and total energy $E_T$?

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.18: The motion of an object moving wyoc l6q fuq5x4j j1 .5w0bv1walong a straight line is given by the velocity vs. tf.qc611 b0jo5wwy v xq wu54ljime graph shown.
Which one of the following choices best represents the average acceleration of the object during the time interval from t=4.0 sto t=9.0 s?

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.19: The motion of an object moving along a straight line is given by t 74zx05p,iak/ffc0v xr kpp;she velocity vs. time graph sho kpsx 0a krcf7,4z ;vp5x0fi/pwn.
Which one of the following choices best represents the instantaneous acceleration of the object at the time of t=5.0s?

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

12.17: A mass moves according to the graph od1jm 24y hdg2qf position as a function of time shown 2 dqymg4 jh21dbelow.
Which one of the following choices correctly represents the time instants or time interval for which the instantaneous velocity of the mass is considered always to be negative? Lettrepresent time.

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.05: Amass m; attached to a horizontal masslesetrucs)j8wgo;yo+c )4 m5 4a ps spring with spring constant k; is set into simple harmonic motion. Its maximum displacemee58cr)+py m tag oo ;44ucs)jwnt from its equilibrium position is A. What is the mass’s speed as it passes through its equilibrium position?

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.40: A block of mass M is initially at rest on a frictionless floor, as shownp3 hkve8dws mc7xm e0n ,p*(t6 in the accompanying figure. The block, attached to a massless spring with spring constant k, is initially at its equilibrium position. An arrow with mass m and velocity v is shot into the block. The arrow sticks in the block.(h0, p387ms epdmv6 cnt* wxek What is the maximum compression of the spring?

A. $x= v\frac{\sqrt{m}}{k}$

B. $x= v\frac{\sqrt{k}}{m}$

C. $x= v\frac{\sqrt{M+m}}{k}$

D. $x= \frac{(M+m)v}{\sqrt{mk}}$

E. $x= \frac{mv}{\sqrt{(M+m)k}}$

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.36: A mass m is attached to a spring with a s;ch wds jc9s86 q8j*twpring constant k. If the mass is set into simple harmonic motion by a displacement d from its equilib8 dw8sqjsht6*j; 9wccrium position, what would be the speed,v, of the mass when it returns to equilibrium position?

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

08.48: A block of mass M on a horizontal su wf/.3wuh whl4f (ikz:7dezoaj: tr.1rface is connected to the end of a massless spring of spring constant k. The block is pulled a distance x from equilibrium and when released from rest, the block moves toward equilibrium. What minimum coefficient of kinetic friction between the surface and the block w i lzu z.twh(fh.1 okaf7er 34:/dwj:would prevent the block from returning to equilibrium with non-zero speed?

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