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

1#

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 wit 8*uzxlk ,y5z+t(1w,t rbgvo( lu1,: blfpzhxh the displacement versus time graph shown to the right. Which of the following statements abol k, +u vbxz,1o*tlt: xyup f1lghzrz5,(bw(8 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 spri1d0dfv9uyksrtp5-4 6v nsw* ong and undergoes simple harmonic osci5w41 k- dfn6ysdvrsot0 pv*u 9llation. The graph provided 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 thrn :q.j5i :ynde end of a spring and undergoes simple harmonic osd.jn5qi rn:: ycillation. 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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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 oscillate* ihm *,9/zcwfo6la ,9znj3lpqy5xp vs 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 gives the numerical value of the oscillation’s amplitudeafnpzplw,9 / xjl,q95ocz h*m3vyi6* 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 ofru80i -wr xh:i a mass connected to a spring obeys x(t) = Acos(wt) . What u80 - irri:xhwis the average 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 undergoes Simple Harmonic Motion. Its motion can b;kvf kz/i:lc4e 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 kzkv/i ;clf:4 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 sprin z v4v svgryoxm/)t:1iy o+qbs;/)sc2g undergoes Simple Harmonic Motion. Its motion can be described by th)ov:x;v/2ocq yztbvgrysim/ s14) s + efollowing equation y = (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 pulled to one side ana aaielm+*ze*2fgr v3g,e)/ p bg*7m dd released. It swings freely to the opposite side and stops. Which of the following might best represent graphs of kinetic e aag gbdme)ievgrl2* pfzm e,*a3+7*/nergy $E_k$, 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 given by q.b8v;b, p m4pn8sh+sn3 g flithe velocity vs. time grap,bm8nls sgpnf .bqv;ip4+ 3h8h 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 oboyk0cu 137ru zlug yk6 3,wu5x:h/dktject moving along a straight line is given by the velocyg5kro 7ul6: 3c1d, h/uxtzk ukyw0 3uity 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 the graph of position lx6l62 ymufa37hnej( as a function of time shown bel fuhanxe m7j23 6l6(ylow.
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 :iuwq43vtt) s-(fwl* n;pco hconstant k; is set into simple harmonic motion. Its maximum displacement from its equilibrium position is A. What is the mass’s speed as it passes through i-l:coqvf hw(wi;n 4*p tut3s)ts 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 frictionles 2cd7lw *mq uhlgxh(q3w9e:j*2 dd/bzs 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 dqhwux* m9ez 72dg2 ll/* cwj :(3hqbdarrow 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 spring constant )sa fgd0h o fe6dc0c*d ,j.8vxk. 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 .c ,s8hj fde6ao*cgxv0d0d)fmass 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 con+p/ .a u7ysmwrzvni+9nected 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 surfacev.9zwp/+ r uya smn7+i and the block would prevent the block from returning to equilibrium with non-zero speed?

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