Physics, 19.09.2019 08:00 stella013108
Three samples were weighed using three different balances. all measurements are as accurate as the precision below indicates. the weights are 1.21 kg, 546 mg, and 23.14 g. using significant figures, the total mass should be reported as
Answers: 1
Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
Physics, 22.06.2019 14:40
How does an observation about an object differ from an inference about that object
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Physics, 22.06.2019 16:30
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Three samples were weighed using three different balances. all measurements are as accurate as the p...
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