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;8ii2j ,bfu .+p0s0hpsstoc t displacement versus time graph shown to sth, j;0p iu b8op2s.ts0i fc+the right. 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 connebbtsq v5), eqe:. ;pis .bvx)zcted to the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass a.vxb)q;5:se)e.tv , pq ibzsb s 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 spring and undergoes simple harmonic s1b r0vao96qe oscillation. The graph provided shows the position of the mass as vo09 6e1sbrqa 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 b3jys l v;a1 *ufmzl)(of an 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 quantiti l l*)yujz1s; b3mfav(es 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 sfjnt2:oh5frwp-: -b pv8ek 8mass connected to a spring obeys x(t) = Acos(wt) . What is the average -bok hfvn t82w:8jp5psr -: efspeed 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 p-s+4i zzao+mzka9 m(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 oz ps+zz+49(amik m- aon 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 Si0rxw-7r8eoh jmple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meteh0j8 ror-x7wers 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 pu bnry1b w3);aklled to one side and released. It swings freely to the opposite side and stops. Which of the following might best represent graphsbw)yn 1b3kr;a 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 movinym.(ijs;i(x q0g1 rv kg along a straight line is given by the velocity vs. time graph shownm;((jyg0r1 xqkvs. ii .
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 given by thefmem8g1k8 o/ b2e/guv velocity vs. egk/2 1ev mbgo8u/mf 8time 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 fudh (jpc4au7y*0 /sbiw nction of time shown bel w7ji0/ adc*b h(p4syuow.
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 spri2 nixlm-g2f/sng constant k; is set into sf mxi-ng/22slimple harmonic motion. Its maximum displacement 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 floopks*bp:wngvk :e //z3r, 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 velocity v is shot into the block. The arrow sticks in the block. What is the maximum compression of:k/3pn /*s k vpgwbe:z 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 attachedajx ,8x)9 1bgbxc d b1zf6dt3q to a spring with a spring 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 a6 dx1t c,)gq13x 9fbbdbxjz8 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 horizj6pbm)dq,u 5km o/,irontal 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 surface and the block would prevenpdj6 r5qkmu,o ,imb/)t the block from returning to equilibrium with non-zero speed?

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