Physics, 20.09.2020 14:01 stephstewart1209
To reduce heat loss through windows, it is customary to use a double pane construction in which adjoining panes are separated by an air space. If the spacing is 10 mm and the glass surfaces in contact with the air have temperatures of 10 o C and -15 o C, what is the rate of heat loss from a 1 m x 2 m window
Answers: 2
Physics, 21.06.2019 18:20
What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black
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Physics, 22.06.2019 08:00
Which notation is used to represent an alpha particle? a. b. c. d.
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Physics, 22.06.2019 12:50
Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass
Answers: 3
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
To reduce heat loss through windows, it is customary to use a double pane construction in which adjo...
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