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 with the disa9a qf q/d(mzvr:r;7xplacement versus time graph shown to the r/7x; zqv (mrr q9:fdaaight. 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 to the end j:as gacj(5 )*:x:g xr3ccdnvof a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor as a function of timg)cxra cv5s3xg:d c* n a(j:j:e.
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 harmzq sw/.lv))k,, ikfplonic oscillation. The graph provided shows the position of the mass as measured from the floor as a funskplik,)/wlzv ) ,qf.ction 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 ft;z 1m0c p5wipg : 0 2fhjonyc*8hd(man 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 following choices gidop 1c8pz0f;0j :*c(hi m5m fwg2yhtnves 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 m7yh0)uu vk9v a mass connected to a spring obeys x(t) = Acos(wt) . What is the average speed for one full oscillation in terms of the mass’s maximum speed during vv 0hu)m7yuk9oscillation, $V_max$?

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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 Mot whfgq 3e6f*f7ion. 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 e7wh3ffq*6 gfspring?

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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 Harmoni90 k.gwxytlcnfu, b7nh*30ko c 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 sec y3ug0.7 otk 0,nhbw9xf*lnckonds. 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. x7qc5,xsqbl6p1an w:It swings freely to the opposite side and stops. Which of the following might best represent gw6x q5paq1b7lx: ,csnraphs 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 objecta 4ie9+vocm3 km iq1l7zlir ;wo b.t(+ moving along a straight line is given by the velocity vs. time graph+c7eoq+i( v1ibaitz9m.r mkw l l 3;o4 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 givenz6yoiv 2.m6 9bq1pz6rsh,d 5ko+ n 1nbdmn6nn by the velocity vs. n z9vynbsmr qdh2b zo66.p6i5n+,k61on1mdntime 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 graph of position as a functij n3.alz 5h)hx7d+ bsson of time sho35xn .7+)hl ssbd azjhwn 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; attached to a lnltr2 wb.2*u;0nmgcrt) bw5 horizontal massless spring with spring constant k; is set into simple harmonic motion. Its maximum displacement from its equilibrium position is A. nrbt;. wrul5ln20t2m )*wb cg 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 marq5ahv 9+g9jm jc43so ss M is initially at rest on a frictionless floor, as shown 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 veloci qh3s4j5vga+rcj99om ty 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 attachsedqpq1 1vmp 6vn00n e v *i2: 5+wrzrgog3sz(ed to a spring with a spring constant k. If the mass is set into simple harmonic motion by a dis5ng 1 1 2pse6q(0vpoeivw0*+s:nzvqz md3r rgplacement d from its equilibrium position, what 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 connectedug v8j;u. zcs, 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 betwee,sujz;c u.v8gn the surface and the block would prevent the block from returning to equilibrium with non-zero speed?

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