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

1#

05.12: A mass on the end k8iy0f)t 62 gcfibw6aof a spring oscillates with the displacement versus time graph shown to the right. Which of the following stg6 b cf08fawi62k )iytatements 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 connected to the end of a spring and undergoes simsdgm i*em;+g ;w, ze 4vytk7b3ple harmonic oscillation. The graph provided shows3ei+g 7vd;tbwge;k ys,m*m 4z 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 the end of a spring and undergoes siiac5c1 -xpd.xl :ndq) mple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor as aqdanc xi5x:pc1l) d- . 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 of an ideal spring o6khr5ny6 wt db: 2xfs(scillates 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 hk n5f( t 6dyrbs26x:wvalue 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(t) = Ac8kg ;)4hs. hkpj/mfwuos(wt) . What is the average speed for one full oscillatio)w fmkh.jsp h k;8g/4un 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 s +(,cy3n i; ,;q3kd io/a(,ths*epcq lz uftnkpring undergoes 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 amplitude of the vibrating mass on the n/za,he yc(s*utt+3(qiqpdnf o ;, ,;kkl3i cspring?

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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 Simplerfsjj / j1jo94 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 period of vj 9/4jsjor1f jibration 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 p7p 3rphb q+jn3ulled to one side and released. It swings freely to the opposite side and stops. Which of the following might best rep+ pbnpqrh373 jresent 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 fo5);b /fgowv line is given by the velocity vs. time g);5 vow /ogfbfraph 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 the venwy v.j.:- fd1qzm+7yjp ar1hlocity vs. time graph shown.zdy:jhmp 1j+ wr-.fn.vy 7 qa1
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 poz;wbe 4 qch0kr:nb6f cd0; m3isition as a function of time shown bel;0bw0ezrf m bi:cc3kq4;6h dnow.
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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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力

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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 mau )t8r6.tijp ;i zmg:mt,zsw2ssless 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 iu2r:mj6; s 8 z,gtttw) zimp.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 frictionaf b33v,p w/22od cof7oxxe/x less floor, as shown in the accompanying figure. The block, attached to a massless spring with spring constpv,fof x3 o/cxd7/e2 bxwo32aant 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 with a spring constant k. If the massfwhad,bje0bf6 2 0q:ibd n 9y2 is set into simple harmonic motion by a displacement d from its equilibrium position, whatn wfyh:,6qdia 90 0bef2b bdj2 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 surface is conneciv r6bi657h hvtuhu6 ;ted 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 hvi576ibt 6; urhu v6hminimum coefficient 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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