Vibrations and Waves (id: a5ad43523)

本题目来源于试卷: Vibrations and Waves，类别为 IB物理学

[填空题]
A 0.60-kg mass vibrates according to mr wf) qngs)hjsod( )+* pb6 qdcru6-7thh9b ( -hs7/6kjmnis ede equation x = 0.45cos6.4t where x is in meters and t is in seconds.hd 6jn7h9 i/ smsebk(- Determine
(a) the amplitude,    m
(b) the frequency, $\approx$    J(round to two decimal place)
(c) the total energy, $\approx$    J(round to one decimal place)
(d) the kinetic energy and potential energies when $\approx$    J(round to one decimal place)

参考答案:
空格1: 0.45±2%  空格2: 1.02±2%  空格3: 2.5±2%  空格4: 1.1±2% 


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