Question

A wire of mass 1 Kg and length 3m hanging from a ceiling is made to accelerate with acceleration of 6 m/s in the upward direction. Find the tension in the wire at 1 m from bottom of the wire?

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Answer 1

Answer:

2.1

Explanation:

m

Given,

f

1

=420H

z

f

2

=490H

z

Fundamental frequency =f

2

−f

1

=490−420=70Hz

We know, f=

2l

1

u

T

⇒l=

2l

1

6×10

−3

540

l=

2×70

1

6×10

−3

540

=

2×70

1

×

Answer 2

2.1 I hope this will help you

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