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What is the difference between air pressure and air resistance?
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Aroller coaster car moving at a velocity of 30 meters/second has a momentum of 2.5 x 10^4 kilogram meters/second. what is its mass?
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Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0Β° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
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Suppose an object in free fall is dropped from a building. its starting velocity is o m/s. what is the speed (in m/s) of the object falling after 2 seconds?
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What is the difference between air pressure and air resistance?...
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