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 oscillates0ixbti+5d u6 . 1: heghph0c.jmass 3b with the displacement versus time graph shown to the right. Which of the following statem.i h6bx0m p1 5iu3d bag e+sj0h.h:stcents 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 un ev1,q 9fxyx19/ e.(jhclrgcydergoes simple harmonic oscillation. The ,j91 g(h. y/r vqfeeclx 91cyxgraph 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 tc7xdd0(gq sbt u:el 8( 0:ebvfhe end of a spring and undergoes simple harmonic oscillation. T lste: qbv8cb x((:gd700eufdhe graph provided shows the position of the mass as measured from 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 toqwjuuiztp1 bc-xtv 2 pze)0 19cn*68o the 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 fqcozui2ztv-p pbx69nj * cw u)t1108eollowing 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 spdcd j48)-vf3 twg g7krring obeys x(t) = Acos(wt) . What is the average speed for one full oscillation in terms of the mass’s maximum sp3g4c)r7dkgt8 vwfd j-eed 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 springbb7up8v bzx):l/p b0uhmh k+k8,ql+ v undergoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (vbbb+ +08upk,bx8h)quzl7l k p :mhv/10π t + 4) where m is in meters and t is in seconds. 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 Simpt coji 2hhwq)dg8syit :a:)j62/pu;f l vq21b le 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 isf:2y1l;8vt2gdta6 :ihh2 /swcq u p jjqiob)) 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 -ezlgwq3q.h8 and released. It swings freely to the opposite e h.gw-l 8q3qzside and 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 along a straight line is given by thtipsm-bg5hy:+ 7/3ibvj 1djce velocity vs. time graph h v5d1j btsyc-m3bipj i/+7 :gshown.
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 straightj,/ ro: -qnvhd line is given by the velocity vs. t:d,vr hn-j q/oime graph 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 accordingl*3n.g 8 5(n/skhn wo sjg/gzt* h2tqo to the graph of position as a function of time shown below. l h*n*tos kqo/hj8 wn(5sn/gg3gt.2z
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 massless spring with spry; 9t gs qoo lpy1+mh:(3kd 7ih(heg6ting 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 it9kh hld;io 1 yy(:m7qhgsg6t (te3o+p s 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*czbk2p,js n//3(e s 4qwhuds on a frictionless floor, as shown in the accompanying figure. The block, attached to a massless spring withhjbce(nw32 p/z,q/ukss4 s*d 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 with a spring constant k. If the mas) cx wvgx*yasyja-25 l )rztwk hxr+k+(tp-5;s is set into simple harmonic motion by a displacement d from its equilibrium position, what would be the spe a jpstxay-5xy)2k+ +xg-(w5;vrrztkwc*h )l ed,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 connected7g a9u .i35oxwp ad0xm ionu9; 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. What9p 5o 9.n0gia7mwa3ixd;uu ox minimum 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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