What is the length of a string with a mass of 2.5 kg, with a tension of 20 N, if the speed of wave on the string is 2 m/s? a 0.8

Question

What is the length of a string with a mass of 2.5 kg, with a
tension of 20 N, if the speed of wave on the string is 2 m/s?
a 0.8 m
b 0.4 m
C 0.5 m
d 1.0 m
e 0.1 m

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Hồng Cúc 4 years 2021-08-10T12:59:06+00:00 1 Answers 26 views 0

Answers ( )

  1. mocmien2
    0
    2021-08-10T13:00:39+00:00
    Reply

    B 0.4 m should be correct if not it is A

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