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Alice kicks a 0.25 kg soccer ball with 0.5N of force. What force does the ball exert on Alice's foot as she kicks it? N
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Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
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The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Alice kicks a 0.25 kg soccer ball with 0.5N of force. What force does the ball exert on Alice's foot...
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