Physics, 03.08.2019 16:30 gumbyseth1969p45qjl
Consider the hypothesis below and answer the question that follows. adding salt to water increases the water’s boiling point. if you performed an experiment to test this hypothesis, which action would introduce confounding variables into your experiment? you use distilled water sourced from the same place. you add black salt to some specimens and pink salt to others. you add equal quantities of salt in all the water specimens. you use earthen clay pots to store and boil all the water specimens.
Answers: 2
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Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.
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Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process
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A75-hp (shaft output) motor that has an efficiency of 91.0 percent is worn out and is to be replaced by a high-efficiency motor that has an efficiency of 95.4 percent. the motor operates 4368 hours a year at a load factor of 0.75. taking the cost of electricity to be $0.12/kwh, determine the amount of energy and money saved as a result of installing the high-efficiency motor instead of the standard motor. also, determine the simple payback period if the pu
Answers: 1
Consider the hypothesis below and answer the question that follows. adding salt to water increases t...
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