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 o t9raqh m7a4(oscillates with the displacement versus time graph shown to th7aqmao9 4hr t(e 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 connected tgq/10 ,w:p igqwsli6 vo the end of a spring and undergoes simple harmonic oscillation. The graph provide q ,g/s6wv:1ip iw0gqld 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 the end of a spring and undergoes simple hat8p/)z syr(zirmonic oscillation. The graph provided shows the position of the mass as measured from the floor as a functi8szypt/zir) ( on 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 oscilt*7 ,k* onmekulates 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. Whichum toekk7n*, * 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(wfh9p70c h+iet) = Acos(wt) . What is the average speed fofcw p7h90ei h+r 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 undergoes Simple 075d0y/kbdtuz m7m*(pjee axHarmonic 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 sprj0d5pd7*a/zme( tu ebyk0mx 7ing?

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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 c.+4zuy lmrgh: an 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 vibratr lm+gu h:z4.yion 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 swings fl2 cq.jbus*cfagvu)- i tf 1-3reely to the opposite side and stops. Which of the following might best represent graphs of kinetic energy--)sfga t3lfi.ub v*q2 jucc1 $E_k$, 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 m8,xcet d 9c*ia straight line is given by the velocity vs. 8etdicc * ,mx9time 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 str;vczlv7 b5f9mql-pwv t+9 ob 9aight line is given by the velocity vs. time gr pm9vzfvt7 5+-9bqob9 lvcw ;laph 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 funj xj76y25.abegj 1u ajction of time shown belowyug ja61.7exj5 b ja2j.
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 massle8kjj/2d-+ e aqe+qw iwss spring with spring constant k; is set into simple harmonic motion. Its maximum displacement from its equilibrium pok2 +qj8- +eaw/jiedwqsition 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 showqhhait73s hum h9 -5,on 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. i,qhuhhah-53 97 mtsoThe 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 s1e4vb/h)+rxdez g. m ppring constant k. If the mass is set into simple harmonic motion by a displacement d from its equilibrium position, what would be the speed,v, of th1/mhd g+v ex).bz 4repe 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 surho jjev 8;hov- 9;wp)wface is connected to the end of a massless spring of spring constant k. The block is pulled a distance vw8eoo w; )jhj-;v9p h 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 from returning to equilibrium with non-zero speed?

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