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A stainless steel flask with volume 10 liters is filled with 1.4 moles of helium gas at 27 C.
(a) What is the pressure of the gas?
atm
(b) What is the average RMS speed of the helium gas atoms?
m/s
(c) Suppose the temperature of the is raised by 27C. What is the pressure of the gas now?
(d) What is the average RMS speed of the helium atoms now?
Two sources produce electromagnetic waves. What is the energy of a photon from source B
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Find out the distance traveled (in meters) by the jet as the observer watches the nose of the jet cross from one side of the moon to the other.
A race car rounds a curve at 59 m/s. The radius of the curve is 439 m, and the car's mass is 615 kg. (Assume the car's speed remains constant. What is the centripetal force acting on the car
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In an experiment like you are going to do in Investigation 1 of lab this week, you count the number of beta rays from a 137Cs source. What is the average number of counts
A baseball (m = 149 g) approaches a bat horizontally at a speed of 42.8 m/s (96 mi/h) and is hit straight back at a speed of 48.4 m/s (108 mi/h). what is the average force exerted on the ball by the bat
A sound wave with intensity 4 mW/m2 interferes destructively with a sound wave that has an intensity of 13 mW/m2
Venus has a mass of 4.0869*10^24 kg and a radius of 6,052 km. Calculate the acceleration due to gravity on Venus
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