Parameters and Typical Relationship - 无忧得胜-网上国际课程 (5edu.win)

?作业考试练习?美国物理杯赛(Physics Bowl)?Parameters and Typical Relationship

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习题练习：Parameters and Typical Relationship

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作者: admin 发布日期: 2024-08-22 23:24 总分: 15分得分: _____________

答题人: 游客未登录开始时间: 24年08月17日 15:50 切换到: 整卷模式

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

05.12: A mass on the end of a spring oscillates with the:5yqaqwes; t8v:bkew +(:v mx displacement versus time graph shown to the right. Which of the following statements about its motion is INCORREt::x( :e vy5ksq+wvbm;awq e8CT?

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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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 simplr: xg)/q:-msw cosb4)x xu d0je harmonic oscillation. The graph provided shows the posiwx sr:jq/xx- cb ) gsud)4o0m:tion 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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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 sf8keo/pex1b5 e2en/(je ,yhs3re. gapring and undergoes simple harmonic oscillj1(e.85 e3efeo n abe krsxp//gehy,2 ation. The 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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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 idesytp,td 6y,;d al spring oscillates in simple harmonic motion. The mass’s position is described as a function of time by x(tsdd, yp;,yt6 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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.26: The position of a mass connected thl/b,f3cc)2lb ff+be o a spring obeys x(t) = Acos(wt) . What is the average speed for one full oscillation in terms of the m,2b l+/hcbcl)f 3 bffeass’s maximum speed during oscillation, $V_max$?

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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 Motion. Its t ba4+c2w*rib motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t ia*rc 4btw2+ bis in seconds. What is the amplitude of the vibrating mass on the spring?

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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 (wr7 e+fn *c 4hvrcw;pqqbzv2l(0i /p can be described by thefollowing equation y = (0.3 m) sin (10π t +fricp(v7 cpr0q2 /zw h nlweb+(q;*4v 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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

00.08: A pendulum is pulled to onetfdga wqz9dd gwz.7m: :daww:7, - f0e side and released. It swings freely to the opposite side and stops. Which of the following might best represent gra,me77t . dqgg: fdwda fa:9w:d-w0zw zphs of kinetic energy $E_k$, potential energy $E_p$ and total energy $E_T$?

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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 linezbg8plfs y0 v):5-sruks- l)q is given by the velocity vs. time graf)) :0ys -lvsqkgl uz8r5psb-ph 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 mo9nyw ,z65ui syving along a straight line is given by the velocity vs. ti s y,6uwn9ziy5me 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 wqehn24 t,.w y-9qquv/(g9 i b)tp ktlof position as a function of time shown belvtnw./yp4gu9 -(qlewt ) ,qh kqit29bow.
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 spring+rtm2xp/bh ao98h ; hx constant k; is set into simple harmonic motion. Its maximum displacement from its equilibrium position ixhpmr8b+o2h xh a; t/9s 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 on3 wq :m j*xz6b+cxd,se pgn1y/ a frictionless floor, as shown in the accompanying figure. The block, attached to a massldpsy6 n xzc:g,3b/em+1 j wqx*ess 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 attached to a spring with a sprinz 5*nv yp(8sf*)tl eltg 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 the mass when it rett ) *lsevl*tfp( 8y5nzurns 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 t l*:t5q.x*aug oqdf7a horizontal 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 surfacetd l:quo**t75fa. qx g and the block would prevent the block from returning to equilibrium with non-zero speed?