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 ty ba9;av70 qf a l*wb9up05wjwith the displacement versus time graph shown to the right. Which of the following statements about it ;bja *pv awyafq9t0lw 9u0b75s 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 con :r;wdyzx*df*j5(o u ynected to the end of a spring and undergoes simple harmonic oscillation. The graph provided showxd:f;o *jr(y5uyd w z*s 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 txhbp29ax f3ha3*f+nihe end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor as a func*x 2ff3+axibhnp 9 a3htion 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 spr:uu ef/fq.(2poz x*vz ing oscillates in simple harmonic uf e .u*po/ fqzx(2vz: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 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) = Acosy zku q.;wf47x(wt) . What is the average speed for ozy.kx 4wqf u7;ne 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 u +bnrdsxa) gar-tk g7837m3o qndergoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10πd r3 sagknoa+m7rg 7bx)-qt83 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 tik ;on,h69 nkundergoes Simple Harmonic Motion. Its motion can ben;,6hik9o ktn 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 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 sixx8k7(4axfmh z 6 z7utde and released. It swings freely to the oppzz 7hua48ft67( xmx kxosite side and stops. Which of the following might best represent 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 movw y5(eyiwwh21 )j8z*p m(e bdeing along a straight line is given by the velocity vs. time graph shown. w8idwz *1pm2)jewe h((bey5 y
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 alo n vop-3xq+w3wrc 4hu.ng a straight line is given by the velocity vs. time graph+ wv.cq-nh3 uw ro4p3x 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 acohc )el0az85 ccording to the graph of position as a function of time shown below. hlzac5e8oc0 )
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 spri3cnp r 3;6o8 /bti;q2 kumtiiyng 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 its poy;2inb k8ui /36tm r3it;cqequilibrium 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 j02u)lfwi oh:0ac.zr 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 oj r:)cu2a0i0zf .lwh 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 twnmtgea4 (b.on5* +jspring constant k. If the mass is set into simple harmonic motion by a displacemenntjobm+a n*(e g.t5w4 t 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 maskxz(b)sf,c b q)u7z-q :8z opas M on a 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 surface and the block would prevent the block from:-uz)k 7qb z8x(f)scpa obqz, returning to equilibrium with non-zero speed?

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