Physics, 20.03.2020 01:31 jessiejohnsonjr123
Middle C, also known as do on the fixed do-solfge scale, is a note used when playing or singing music. The frequency of middle C is 261.63 Hz, and the wavelength is 131.87 cm. What is the speed of sound for middle C?
Answers: 2
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Alightning strike consists of charge moving from a cloud to the ground . in one particular case, the electrons in a lightning strike are confined to travel within a radius of 1.5 m and to move at a speed of 5.0 x 10 m/s. if the density of electrons in the strike is 10'15 electrons/m what current is carried by the lightning ?
Answers: 1
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Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating
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The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Middle C, also known as do on the fixed do-solfge scale, is a note used when playing or singing musi...
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