IV. Sources separated by 20 m vibrate according to the equations y=0.06singr t)(m) y2=0.02sinGr t)(m). They send out waves along a rod of speed first source and 8 m from the second? (8) 12m 装订线内不要答题 V. The equation for a particular standing wave on a string is y=0. 15sin(5x)cos(300n)m. Find the (aJamplitude of vibration at the antinode, (b)distance between nodes,(c)wavelength, and (d)frequency. (8)3 IV. Sources separated by 20 m vibrate according to the equations ' 0.06sin( ) 1 y = π t (m), ' 0.02sin( ) 2 y = π t (m). They send out waves along a rod of speed 3 m/s. What is the equation of motion of a particle 12m from the first source and 8 m from the second? (8’) V. The equation for a particular standing wave on a string is y=0.15sin(5x)cos(300t) m. Find the (a)amplitude of vibration at the antinode, (b)distance between nodes, (c)wavelength, and (d)frequency. (8’) x 20m 12m 8m …………………………..………………………………………………………………………………………………………………………………………………………. ( 装 订 线 内 不 要 答 题 )