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 sprin4+s merou:fd 8 r18yuwva8wc,g oscillates with the displacement versus time graph shown w 8vaec4fsudro +w1u:88m, yrto the right. Which of the following statements about its motion is INCORRECT?

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 connect+e /2azn1p-pw fq2 ecwed to the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as f1-ew2n+pa pz2/qcew 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 wc47pctxd-*4 ytfdaw +ff6k8z1+5isf m zx4 q to the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor w-kxfp6q7tdcdzcf5 za8t4 xf 14*++i swmyf4as 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 the end xez bo2:2p. wh son7r -;d iz *8:t6vec*fjhudof 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 quantb rh2p:2-e:e jft;6*n8*wu d7 oczid .hzxo vsities are in base SI units. Which one of the following choices gives the numerical value of the oscillation’s 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(sj7o0w.p tcnd7:t ks/ t) = Acos(wt) . What is the average speed for one full oscillation in terms of the mass’spc sno/07dtj ts: k.7w 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 undergoes Simple Harmonic Motion. Its morfi 82/vjeyv q-i6 .gftion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t is in jv f2i86iv/-. efqygrseconds. What is the amplitude 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 Harmoni*zd;:mn )xe yv7frcg2 c Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meter ;fr2)7med xz gycn*:vs and t is in seconds. What is the period of vibration of the 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 and released. It sw /j5d xjp21 )zt0cwkrfq-(pij ings freely to the opposite side and stops. Which of the followind)-0i1xwp/fzc pt(2 qjrj5 jkg 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 along a straight line is givenc+seh,82trj y by the veloc,y2+ sjhte8rcity vs. time 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 s9 a70l sm/jhkby the velocity vs. time grap/jlhsmk 07 a9sh shown.
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 of position as a functh85+i 0xq)zvcxy4 ew pion of time shownqwixcz+50 y84eh) xvp below.
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; attachz coty82wm7m mkc21 1f zyke;0ed to a horizontal massless spring with spring constant k; is set into simple harmonic motion. Its maximum displacement from its equilibrium position is A. What is the mass’s speed as it passes through its equilico m;kc21z yt2 mkz17myfew08 brium 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 frig./ -zour1d hs-p bep)ctionless floor, as shown in the accompanying figure. The block, attached to a massless springs/e 1upzh g--)o p.dbr 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. 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 witm7oonjq,hyw c )18 il7 ( e-q;pdvjl8dzy q+q0h a spring constant k. If the mass is set into simple harmonic motion by a displacement d from its equilibrium position, what wcdz veq 1ny jpqo;m d7, l-(j887lwihyqqo 0)+ould 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 surce2 d(tjwueue)xrm+c; rg *e):/wij4face 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 coefr;e4:ij gr)uw(c )t+eec/wj u x*d e2mficient of kinetic friction between the surface and the block would prevent the block from returning to equilibrium with non-zero speed?

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