Physics, 20.04.2021 04:00 tifftiff22
A 3.0 g latex balloon is filled with 2.8 g of helium. When filled, the balloon is a 32-cm-diameter sphere. When released, the balloon accelerates upward until it reaches a terminal speed. What is this speed? Assume an air density of 1.2 kg/m3 and a drag coefficient for sphere of 0.47.
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Physics, 21.06.2019 18:30
What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.
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Suppose you have three polarizing filters, with the second at an angle of 42โ to the first and the third at an angle of 90โ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Physics, 22.06.2019 16:50
Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaฮธ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the birdโs angular momentum about the point where you are standing?
Answers: 2
A 3.0 g latex balloon is filled with 2.8 g of helium. When filled, the balloon is a 32-cm-diameter s...
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