Parameters and Typical Relationship

1#

05.12: A mass on the end of a spring o;(c5g 9x b /hiabncxj-scillates with the displacement versus time graph shown to the right. Which of the follix g a;cxb5jc-h( 9/nbowing 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 connect( :p6sh o3h5zd e ahkl7+ra,g 5d(jivred 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 as a fun jsav5g r(r: dh,h(h3lk56ed+7oizpa ction 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 bxf5pclh86 0ug a 9gz,simple harmonic oscillat 0a,z 6x89bggc fu5lhpion. 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+uvny 1;k8ucb /v snnx,u3)y v end 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 quantities are in base SI units. Which one of bnv ,nk1 cv8uyv3u ;s+nx/uy) 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) = Acos(wt: i*ikyl 9rga-,hsek/) . What is the average speed for or,ag k yk:i9he*s/-il 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 undergoes Simple Harmonic Motions39g1w xds17zz 6sbt 1 rbbz+i. 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.b rdt 17z+z3gi 9xwsb1bszs1 6 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 Har j:yccgvbqm+40d ;paut; 05* ahhpg /qmonic 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. What is the period of u 0vc;b40g5g/c*phhat+dyp;qj aq :m 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 isqa7 wi5h5we :s pulled to one side and released. It swings freely to the opposite 5e: as 7hq5wwiside 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 objh7m/(ume 0gcx m. mt.m2k 1ftdect moving along a straight line is given by the velocity vs. time graph e(7mf ug tm0m2mxkh1cd/. m.tshown.
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 ofd ad.ws d )er-310l1i il(agct an object moving along a straight line is given by the velocity vs. time graph lwta- r1il0.g3ied)(cd d 1sa 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 ofe;5mnoj z3 w9m position as a function of time shown e93oz mwmn5 j;below.
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 wiski/xivew ,6u na fq9 y78(uy/th spring constant k; is set into simple harmonic motion. Its me y9 n iax7v8yw/ ki6/quf,us(aximum 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 floz 39 upbu2:lojor, 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. T3pj2 uzl 9uo:bhe 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 df; +z.otvz 05i0ztzkvb8 y w8jlw;7 xa spring with a spring constant k. If the mass is set into simple harmonic motion by a .bzkjvwwy; lfzi88 +ot zt75x d;v0z0displacement 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 ma236cz3o-n9 oqqi xftn qj 36enss M on a horizontal surface is connected to the end of a massless spring of spring constant k369j cne q qoi33nz-qxn2 6fto. 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 equilibrium with non-zero speed?

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