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PRACTICE:Test Homework Demo



 Author: cwphysicsPublish Date: 2025-03-29 12:33   Total Marks: 9 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 03月14日 13:35 End Time: 03月31日 13:45  Switch to Whole-Paper Mode

Mark Problem
1#
 
Fill-in-Blank ( 9.0 marks) Whole-Paper View eid: 9865  R:W 8:14  Correct Percent: 36%  Difficulty: *****  
试卷已过期,处于只读浏览模式,无法保存作答
  A 2.3-kg mass attached to spring with a force constant of 17 N/m j3q q 7zlgt)v4oscillates on a horizontal, frictionless track. At t= 0, the mass is released from rest at x= 11.9 cm. (The4z tq lv)73jgq equilibrium position is at x = 0 cm)
(a) Determine the frequency of the oscillations.  (数值)  $Hz$
(b) Determine the maximum speed of the mass.  (数值)  $m/s$ Where does the maximum speed occur?  
(c) Determine the maximum acceleration of the mass.  (数值)  $m/s$ Where does the maximum acceleration occur?  
(d) Determine the total energy of the oscillating system.  (数值)  $J$
(e) Express the displacement as a function of time. x =  (数值)     (  (数值)  t)

Correct Answer:    

  • :
  • Total:9 mks Pass:5.4 mks Duration:Unlimited
    未答题: 已答题:0 答错题:
    当前第 题,此次Practice为 错题递进 主作答,共有 1 道题
    该Practice截止后3天内完成订正可获得20%加分

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