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 at8 2qh tje14,qzx /n8fn2aych spring oscillates with the displacement versus time graph shown to the right. Which of the following statements about its motioyj8fht,x2 z8q1t/n 2c aqhn4en 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 n,mo61bz pa n3d(ay ubkyf1)v3;vh-ga spring and undergoes simple harmonic oscillation. The graph providegk; )6m(hn a1n,vuz bd33ypofva by-1d 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 spriqk1bq/ 6yq e4lng and undergoes simple harmonic oscillation. The graphk 61qelqb4q/ y 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 to the end of qqh5c t1 (urg-an ideal spring oscillates in simple harmonic motion.t1r( c uh5qg-q 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 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 springef4f3 ft iq(ns4 :aa4q obeys x(t) = Acos(wt) . What is the average speed for one full oscillation in terms of the mass’s maximum speed durqq ef iffta4sna4: 43(ing 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 dp7sz;q+infa k+7 up3Harmonic Motion. Its motion can be describukp;p+f7 qd7+3sniaz ed 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 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 4co8lbjt:r; fspring undergoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y rf:j ltbo; 48c= (0.3 m) sin (10π t + 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 pull)h;tx(esg)mr+ j(ewu ed to one side and released. It swings freely to the opposite side and stops. Which)rtj; h(u)+(e sg wxem 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 giv8mh;mk dcvl -8en by the velocity v mm8d8kh ;lc-vs. time 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 movkphp )y9i+o/ t3yh- eoing along a straight line is given by the velocyhp9 )3+khteo poy-i/ity vs. time 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 they:tjbr3/hi. .fkuu 6k7 rr2g8s p8z kr graph of position as a function of time showu by3r 2sj.k rpg/:fhuzrt.8 8rk ki67n 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 horizgxd4 r*v h;ac qgfm,+7ontal massless spring with spring constant k; is set into simple harmonic motion. Its maximum dmhq+a4, ;gv*x frgcd7isplacement 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 initially at rest on a frictionless floor, g 74tsvt /c8uwas 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 velocity v is shot into the block. The arrow sti wvt/ t47cgus8cks 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 mass jy udgdv4drs e* 99:sfcsj9,4 is set into simple harfj g4*u,e:jcsd s49 9vd y9rsdmonic motion by a displacement 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 connected to )/92z aev7wrib,tn;vajq ioz86 (cnx 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 )vq z/vtrno2w867, en( cxa zb;aji9ithe surface and the block would prevent the block from returning to equilibrium with non-zero speed?

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