10. A particular jet liner has a cabin noise level of 104.⁹6 W/m². What is this intensity in decibels? [Caution. The noise level value is not in scientific notation. Scientific notation does not accept non-whole number exponents. That is, handle it in exponent format instead of scientific notation. For example, you can express the value, "104.96", as "10(-4.96)" or whatever format your calculator uses for general exponential expressions.]

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter16: Oscillations
Section: Chapter Questions
Problem 8PQ: The expression x = 8.50 cos (2.40 t + /2) describes the position of an object as a function of time,...
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10. A particular jet liner has a cabin noise level of 104.⁹6 W/m². What is this intensity in
decibels? [Caution. The noise level value is not in scientific notation. Scientific
notation does not accept non-whole number exponents. That is, handle it in exponent
format instead of scientific notation. For example, you can express the value, "104.⁹6", as
"10^(-4.96)" or whatever format your calculator uses for general exponential
expressions.]
Transcribed Image Text:10. A particular jet liner has a cabin noise level of 104.⁹6 W/m². What is this intensity in decibels? [Caution. The noise level value is not in scientific notation. Scientific notation does not accept non-whole number exponents. That is, handle it in exponent format instead of scientific notation. For example, you can express the value, "104.⁹6", as "10^(-4.96)" or whatever format your calculator uses for general exponential expressions.]
9.
The motion of a body attached to a vertical oscillating spring is given by the
equation: y(t)=4.75 sin (0.800 xt) The time variable, t, is in seconds and the
displacement variable, y, is in meters. Find a) the amplitude; b) the period; c) the
frequency; d) the displacement at t= 3.00 sec; e) the displacement at t= 8.00 sec.
Transcribed Image Text:9. The motion of a body attached to a vertical oscillating spring is given by the equation: y(t)=4.75 sin (0.800 xt) The time variable, t, is in seconds and the displacement variable, y, is in meters. Find a) the amplitude; b) the period; c) the frequency; d) the displacement at t= 3.00 sec; e) the displacement at t= 8.00 sec.
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