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 displacl)orbcw8p4r6 1xi cw3 ement versus time graph shown to the right. Which of the following statements about i431c clrio p6rw)xb8wts 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 :ij9mr wmkudwcitto (;1, k6, m-:jqvthe end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measu 6uwtvir;k:qki j:,j -tmowm(1cd,9mred 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 con ) a alx)kv 1bhmcwa03j84qp;mnected to the end of a spring and undergoes simple harmonic oscillation. The grk mx3))vah1a 8c l0 ;jw4abmqpaph 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 eoum w 74yk0ep6b+5cqlnd 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 ba0m7 5eycklb4uoqp+w 6se 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 m /jmht oqn,:0st6k1ujn4qzzjp .d:ik 2q*b 7tass connected to a spring obeys x(t) = Acos(wt) . What is the average speed fs nt thu.i:m,40 q2j /z k j1bq7qjktzpndo6*:or 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 Sse 6nlm 2x+1 -sv1fmfgimple Harmonic Motion. Its motion can be described by the xm6l mfse -f2vsng11+following 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 ntc; ) 7 h7.*oq6ekzy(r xbgfespring undergoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m k*qrhnetg cb(6o7)yfx .e7; zis 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 side and released. It swings freely to,.wup1e4ylfoe/ -*gwndo vq 8 the opposite side and stops. Which of the following might best represent graphs of kine8yoenq/,g- vfdw.e 1 u* 4wopltic 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 obje66vs 3vr)/v l w0)jpdnz0rmuwct moving along a straight line is given by the velocity vs. time graph shown. s0mnww)rl) zu dr/6vv3pjv 06
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 the v*oa; y3 rtmz1qelocity vs. time grapht3or1qm yz;* a 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 1 k hz; elbbdl941mh;h63awjaa function of time shown be;j 4hw ;1a 96kld1ah3bmhlz 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 horizedr+l/p2xq/m lk( 5ict g/spv*fiq51ontal massless spring with spring constant k; is set into simple harmonic motion. Its maximum displacement from*t fk 5/2 +ld cxps1iqg//lp( 5eqmvir 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 friction): jfs/hquz s9kc5b(zless floor, as shown in the accompanying figure. The block, attached to a massless spring with spring constank9(5/ssfu :cz) hjzqbt 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 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 aaanj; t:he26)yit* pg ttached to a spring with a spring constant k. If the mass is set into simple harmonic motion by a displacement d from g:p;y*2 a)t6thae j niits 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 h ba 68iwo*ln:. acsm7-dalcq- orizontal 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 returning to equilibrium with non-zero spea7c cl bm*-il :aosw d8a-qn6.ed?

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