Recent content by weezer13578

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    Interference of Waves from Two Sources and Beats

    formula for doppler effect is, change in F = +/- 2*Fo (Vo/V), F is for frequency. how can I use this equation to solve for the speed of the truck, V?
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    Superpositon and Standing Waves problem

    I have previously found 6600 and 2.0*10^4 using m=1 and 3, and this range didn't work. Could anyone help?
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    Interference of Waves from Two Sources and Beats

    Homework Statement Two loudspeakers emit 300 Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck. You hear eight beats per second as the truck drives away from you. What is the truck's speed? (Assume that the speed of sound is 343 m/s.) Homework...
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    Superpositon and Standing Waves problem

    Homework Statement A child has an ear canal that is 1.3 cm long. At what sound frequencies in the audible range will the child have increased hearing sensitivity? Homework Equations for open-closed tube, f= m(v/4L) The Attempt at a Solution I need two frequencies since the question...