Intensity of the superposition of the two waves
A sound wave with intensity 16 mW/m2 interferes destructively with a sound wave that has an intensity of 19 mW/m2. What is the intensity of the superposition of the two?
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Determine the temperature rise of the contents after 0.8 h if the mass of the water is 6 kg and the mass and specific heat of the paddle wheel are 0.4 kg and 0.96 kJ/kg-K, respectively.
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Estimate the amount of free fall time that would be possible that would still allow full deployment of the parachute and a safe landing.
In the next experiment, starting from the same initial conditions, the operator places a mass M = [(P2-P1)A]/g, where P2 is the final pressure of 10 bar, P1 is the initial pressure of 1 bar, is the piston-chamber cross-sectional area and the gravi
In a large lecture course, the scores on the final examination followed the normal curve closely. The average score was 60 points and three fourths of the class scored between 50 and 70 points. The SD of the scores was
Comets travel around the sun in elliptical orbits with large eccentricities. If a comet has speed 2.3×10^4 when at a distance of 2.3×10^11 from the center of the sun, what is its speed when at a distance of 6.0×10^10 .
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