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 the8)hp: + sc7gfxz0tbwp3q tb4z displacement versus time graph shown to the right. Whitq 4 b8g7z3f xhzcp: )0+twpsbch 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 conneu*tyf) 9 ucw;rcted to the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor aswu9y)f;u *rt c 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 andr l7zrxcruw45q *9 8zqt 8wm;u undergoes simple harmonic oscillation. The graph pro7tqrq8mu9c4l zr5 * wu; 8wzxrvided 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 h0m: qo;ywa:r 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 gives the numericaw:amh:q; or0yl 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(t) = Acos(wtw ,k*p mnic/wdp9zs,w6 2fer( ) . What is the average speed for one full oscillation in terms of the mass’s maximum speed during oscillatiowp2sp fi6kw(e,ncm,9dw* r z/ n, $V_max$?

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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 Haiz;7ndk.n(*v u7 isdx/vpz 2 srmonic Motion. Its motion can be described by thefollowing equation y = (0.iusi/*kp n2v77 (;dzzvsn. x d3 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 spring undergoes Simple Harmonic Motion. Itod--hhhpy)q2 roz87f -vmgu1lq w/d/s 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.2g1-dfoh-m qyo)/qprw d7hu -8v/z lh 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. It swings free6ryiw tfjd 0bf)muo11deu)2jv,cov)*9*hgoly to the opposite side and stops. Which of the following might best jf ,9jd)y*u10t2m wigbu1ho c 6vod) re)v*forepresent 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 o*vmwe.owme3k 1)ka,7jm d om 6bject moving along a straight line is given by the velocity vs. time grw6 omkkoev*m)1w e.3mmd ,j7aaph 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 straigy zqk w tey+ hd z9yw(4c6t, y4spg8k0bl4n5:rht line is given by the velocity vs(wtrz y+wck, :z4 d6g8 qyp94sl5h 4k n0betyy. 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 gmlfff na2/w:qeh -:i+raph of position as a function of time shown beln+ef/lm2 : fha q:fi-wow.
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; attac2miz zl78 f kxs4)kl* (hw2phfhed to a horizontal massless spring with spring constant 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 itw4*(hlm 2)ffikk ls7p z28xzhs 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 sho6uet qi9xy ,o6j*u qj zg(np21 c:*ltzwn 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 sticks in t6xpct*( iuz:z etqnl,1 6ygj2*9 oqjuhe 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 -nd/ )xxlv) m2mqduu*2go4ez mass is set inte u)-l4 u q2 2vm*)zxdoxmg/dno simple harmonic 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 the end o j7bhxv m6uswhes)-n 56/1dnb;l z s9vf 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 surface and the block would prevent the block from returning to equil1nl-js msn z ) 7x56e/hdvvhus6bb;w 9ibrium with non-zero speed?

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