kayleebug13
04.04.2020 •
Physics
2. A 3.5 m long string is fixed at both ends and vibrates in its 7th harmonic with an amplitude (at an antinode) of 2.4 cm. If the speed of waves on the string is 150 m/s, what is the maximum speed for a point on the string at an antinode?
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Ответ:
Maximum speed for a point on the string at anti node will be 22.6 m/sec
Explanation:
We have given length of string L = 3.5 m
For 7th harmonic length of the string
So
Speed of the wave in the string is 150 m/sec
Frequency corresponding to this wavelength
So angular frequency will be equal to
Maximum speed is equal to
So maximum speed for a point on the string at anti node will be 22.6 m/sec
Ответ:
2+2 4 E H 4+4 8 E 8+8 idk you dont know? pulls out sowrd AEEEAAHH
Explanation: