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A 50.0 g projectile is fired upward at 300m/s and lands at 89m/s. How much mechanical energy is lost to air resistance?
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If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
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The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
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Substances that assume the shape of their container, but do not have a definite size are called
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A 50.0 g projectile is fired upward at 300m/s and lands at 89m/s. How much mechanical energy is lost...
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