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A balloon filled with helium can carry 2 people each of a mass of 85 kg. the balloon materials and the carriage weigh 980 N. if the acceleration when the balloon is first released is 16.40 ft/s^2, calculate the volume of the balloon in m^3. The buoyancy force is defined as the weight of the fluid displaced. It is given in this situation as FB= Pair x Vballoon x g. Apply Newton's second law of motion and solve for the unknown volume after some algebra.
Use for the density of air Pair=1.16 kg/m^3 and for Phe=0.166 kg/m^3
a car accelerates uniformly from rest to 50 mph over a distance of 18 miles along a curve of 700 ft radius. determine
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Calculate the pressure of 15.0g of methane gas in a 1.50L vessel at 45.0 degrees C using (a) the Ideal Gas Law and (b) the van der Walls equation using the following information about the constants, a and b: a = 2.253 and b = 0.04278.
quantify the experiment performed by archimedes to identify the material content of king hieros crown. assume you can
When a hydrometer having a stem diameter of 0.30 in. is placed in water, the stem protrudes 3.15 in. above the water surface. If the water is replaced with a liquid having a specific gravity of 1.19, how much of the stem would protrude above the liqu..
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for straightening and smooting an air flow in a 50 cm diameter duct the duct is packed with a honeycomb of 35 cm long 4
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