Find the angle between two first-order diffraction minima
Diffraction also occurs with sound waves. Consider 1400 Hz sound waves diffracted by a door that is 65 cm wide. What is the angle between the two first-order diffraction minima?
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A jet aircraft is traveling at 216 m/s in horizontal flight. The engine takes in air at a rate of 83.0 kg/s and burns fuel at a rate of 3.15 kg/s. The exhaust gases are ejected at 605 m/s relative to the speed of the aircraft. Find the thrust of t
The temperature of the glass surface of a 60 W lightbulb is 67^circ C when the room temperature is 17^circ C. Estimate the temperature of a 160 W lightbulb with a glass bulb the same size. Consider only radiation, and assume that 90 % of the energ
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A 58.0 kg person jumps from rest off a 9.0 m high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Determine the magnitude of the average force that the water
Does an ion have the same number of electrons as an nonionic atom?
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