gc textbook chapter 11 Vibrations and Waves (id: d5f5bb543)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
A 300-g mass vibrates aco;tk.s.1dmwz8n0 (8 xxoe j3 an9pjmacording to the equation x = 0.38sin6.5t where x is inj sez 1/y48u+swv wawb/2 e6gv met6se/b /v8s1u2w aywg4vj we z+ers and t is in seconds. Determine
(a) the amplitude,    m
(b) the frequency,    Hz
(c) the period,    s
(d) the total energy, $\approx$    J
(e) the KE and PE when x is 9.0 cm.$E_{potential}$ =    J $E_{kinetic}$ =    J($E_{kinetic}$round to two decimal place)
(f) Draw a careful graph of x vs. t showing the correct amplitude and period.

参考答案:
空格1: 0.38±2%  空格2: 1.03±2%  空格3: 0.967±2%  空格4: 0.9151±2%  空格5: 0.0513±2%  空格6: 0.86±2% 


本题详细解析:

微信扫一扫，分享更方便