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Glycerine in water diffuses along a horizontal column that has a cross-sectional area of 2.2 cm2. The concentration gradient is 3.3 10-2 kg/m4, and the diffusion rate is found to be 5.5 10-15 kg/s. Determine the diffusion coefficient.
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A projectile is launched at an angle of 12.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 175 m from the launch point and 11.0 m above the launch level?
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Runner A is initially 5.9 km west of a flagpole and is running with a constant velocity of 8.3 km/h due east. Runner B is initially 4.8 km east of the flagpole and is running with a constant velocity of 7.6 km/h due west ...
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