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 wit 2 mwyoo5uel3f9w s;;sh the displacement versus time graph shown to the right. Which of the following statements abolye wumo;59 s;2w3sfo ut 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* h9fr i+x(qfth.;h dhdu..pw simple harmonic oscillation. The graph provided shows the positihhh ..px 9du*tfwhi(d; f.qr+on 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 sims;(k0k59 kgnnu) cz ydple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor asks0)5kc;g9yz unk(nd 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 connecteeh f5d*gu)i +va:8iv jd to 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 unih8ej*5:i+v )v uagdfits. 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(t) = Acos(wvq *to5: tbs6o4pj5xm u 7ku:it) . What is the averkj 45vubspot*mqi :uo6x5 :7tage 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 undheq)w.emz6uw,o sb )z*/w /; +bxx mckergoes 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 okmmh czouxwbb,e) sqe6x)*; / +wz w./n 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. I/ovbsqcglel*x6 . v 4pc,6f0 nts motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4c nb/6gl l60q ov,.*fpexsvc 4) where m is in meters 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 sidee+qvh:v ; nei.1xu l+zhim)b ( and released. It swings freely to the opposite side and stops. Which ofei:buz(qmlv v +n+x1 i)h;e .h 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 strai2gx7lo.23z gnmk kvc7 ght line is given by the velocity vs. tim kx2gm2 czg7kn3.lv7oe 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 alowonisa k (pu,2 :pn(2ung a straight line is given by the velocity vs. time aw2 p(2npi kuu,nos( :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 according to the g0sv9zz;mj l y4raph of position as a function of time shown below.z9s;vm04 zjl y
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 mass p2r. iv.sb7xgless spring with spring constant k; is set into simple harmonic motion. Its maximum displavir s72gbp..x cement 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 initi :c7 d/yewbb6gally at rest on a frictionless floor, as shown in the accompanying figure. Tw/7e 6gbdc :byhe 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. 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 attachedgm w.t *ybjg ft8pi ***x2 k nphxgtv,-7n;o(n to a spring with a spring constant k. If the mass is set into simple harmonic motion by a displacement d from its equilibrium position, what would b8g*p, ox2wy bn kji.*t-p*tg*h(;x 7nmgtfnve 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 horizontg71a z.,.dnz n5ahxbq al surface 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 would prevent the block h .157zzd gnn,a. qbxa from returning to equilibrium with non-zero speed?

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