Question

Please be clear in what equations were used thank you! A heavy stone of mass m...

Please be clear in what equations were used thank you!

A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, a pulse travels down the wire and returns 7.84 ms later, having reflected off the lower end. The speed of sound in the room is 344 m/s, and the stone is heavy enough to prevent the lower end of the wire from moving. If the wire is vibrating in its second overtone, what is the wavelength of the sound it will produce?

A) 0.217 m

B) 0.433 m

C) 0.650 m

D) 0.899 m

E) 1.35 m

Standing waves of frequency 57 Hz are produced on a string that has mass per unit length 0.0160 kg/m. With what tension must the string be stretched between two supports if adjacent nodes in the standing wave are to be 0.71 meters apart?

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Answer #1

Ansi that Criven a thin wide cetling by 8-253 The 6 5.OCm and el Uan The wire spaed SCund 344 mls inthe Oom The peniad tima his option The O.899m e thal Criren 5+He lengh O.olto Unit mass pe2 - nodes distance adja cent is 2 blw The O.1m 2- 1-42m Naw

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