Physics, 22.07.2019 17:10 shadenShaden2037
The crucible is not fired, as the procedure suggests, but had retained some impurities from previous use (or it could only be oily smudges from fingers). the mass of the "dirty" crucible is recorded. however, the impurities are burned off in the experiment. will the reported mass of the final product be too high, too low, or unchanged as a result of this technique error? explain.
Answers: 3
Physics, 22.06.2019 02:30
The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?
Answers: 3
Physics, 22.06.2019 07:20
Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?
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Physics, 22.06.2019 08:40
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
Physics, 22.06.2019 14:00
Explain why you think this diagram shows what happened to the carbon in the biodome.
Answers: 2
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