The decibel scale is used to measure the perceived loudness of a sound.
a. true
b. fals...
Physics, 23.08.2019 14:30 chloejaylevesque
The decibel scale is used to measure the perceived loudness of a sound.
a. true
b. false
Answers: 1
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Answer asap! the weather patterns on earth are shown in this image. explain why there are convection currents; why there are hotter and colder parts of earth.
Answers: 1
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
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At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius ρa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature ρr of its path, both as observed by the nonrotating skydiver.
Answers: 3
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