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How much work is done by a person who pushes a lawnmower with a force of 50n at a distance of 450m?
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
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Physics, 22.06.2019 20:30
Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
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How much work is done by a person who pushes a lawnmower with a force of 50n at a distance of 450m?...
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