Physics, 05.07.2019 07:30 justin5647
In which medium does sound travel the fastest? a. salt water b. fresh water c. air *** d. cast iron a wave has a wavelength of 10 mm and a frequency of 5 hertz. what is its speed? a. 50 mm/s b. 50 hertz/s c. 2 mm/s 0.50 mm/s how does reflection differ from refraction and diffraction? a. reflection is the only process in which the wave does not continue moving forward. b. reflection is the only process that involves a change in the wave. c. reflection affects all types of mechanical waves, but refraction and diffraction do not. d. reflection is the only process that changes the direction.
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Which describe reflection? check all that apply. light bounces off a boundary.
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The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules
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In which medium does sound travel the fastest? a. salt water b. fresh water c. air *** d. cast iron...
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