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1. A 1.0m length of dental floss with a mass of 90.g transmits a 9.0X102Hz wave...

1.

A 1.0m length of dental floss with a mass of 90.g transmits a 9.0X102Hz wave with a wavelength of 0.10m and a maximum displacement of 6.5mm. what is the tension in the dental floss

2.

Using the unit of meters for "a" and seconds for "b", the propagation velocity of a p wave (interior earthquake wave) with a displacement represented by the expression

3.6*sin(2.2a – 5.7b).

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