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 oscillwl10pc jj- 6vqates with the displacement versus time graph shown to the right. Which of the following statements about its p1l6j q-0jcwv 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 tfijjx92.b :ztgg2k9 the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measuj9bg j.t 9zkt2: fig2xred 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 bqm4/7kvqa xi rcji0u)s24c vp6d5 c .kwp58x and undergoes simple harmonic oscillation. The graph provk 5bv6pwi08q4xj5mkscpcc)2q/ dvux4a .r7 iided 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 og2gqrkd(; aj9 c8+qdnf 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 quantities are in base SI units. Which one of the following choices gives the numerical value of the oscillation’s ampliqn;j2ck 8gq d(gra 9+dtude 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 spring5l +:y:ghqt 2g)xg ntw obeys x(t) = Acos(wt) . What is the average speed for one full oscillation in terms of the mass’s maximum spe:+gtgq2l tg )w: xnhy5ed 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 bek0pt:;;vs8aduuab ; odxeq7 - describkos-7dv ea 0;8btu;xd:au q;ped 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 spring undergoes Simple Harmonic;fff2 xodn:*k Motion. Its 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. * xnkffd;2:fo 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 8kd t9e5tjm9e and released. It swings freely to the opposite side and stops. Which of the following might best represeme 9 tked589tjnt 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 given by/( 3urssml*ik9*9g4drqh q x z1nj, vt the velocity v(d3nvssiqx* 4m * 91/kj9lur g htzq,rs. 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 obozmv wo1k -t,,s.x0gbject moving along a straight line is given by the velocity vs. time ks-b 1,g zwot0,xv o.mgraph 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 funb q*9dq72vcgiction of time shown bel2 dq gqv7b9ci*ow.
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 massy 8auk+be e,+ti70,:a lhicxmw0oe.f less spring with spring constant k; is set into simple harmonic motion. Its maximum displacement from its equilibrium position is A. Wwl 0,efomiexa+tk:. hy ca,e80+ b7iuhat 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 ojqb4us7w mw: 6j (p:ctn a frictionless 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 arrow with mass m and velocity v is 46 wpwmj7scbutq j( ::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 attachedohf 7x);zfoso d)r 6(b to a spring with a spring constant k. If the mass is set into simple harmonic motion by a displa) (xoozrb s6)f fd;7ohcement 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 iicdq5 f )1gle1z+:zh 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 equil1h z+:gdii1c)5qf z elibrium. What minimum coefficient of kinetic friction between the surface and the block would prevent the block from returning to equilibrium with non-zero speed?

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