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Physics, 21.06.2019 21:00
Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
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Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
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Which levels of government establish and implement educational requirements for minors
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Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
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Tech A says that as engines gain miles, the spark plug gap increases, which raises the ignition syst...
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