Physics, 26.03.2020 17:55 shapeshifter119
How long (in seconds) will it take to heat 40 kg of water from 40°C to 80°C with a 20-kW immersion heater? Assume no energy is lost to the environment and specific heat of water is 4.186 kJ/kgoC.
Answers: 2
Physics, 21.06.2019 18:10
How does the space charge width change with forward and reverse bias? also, calculate the space charge width for a reverse bias of 4v on a silicon pn junction at t = 300k and doping concentrations of na = 5x1015cm-3 , nd = 5x 1016 cm-3 .
Answers: 3
Physics, 22.06.2019 10:10
Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?
Answers: 2
Physics, 22.06.2019 16:50
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
Physics, 23.06.2019 00:00
The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
Answers: 2
How long (in seconds) will it take to heat 40 kg of water from 40°C to 80°C with a 20-kW immersion h...
Mathematics, 13.06.2020 14:57
Advanced Placement (AP), 13.06.2020 14:57
Mathematics, 13.06.2020 14:57
Mathematics, 13.06.2020 14:57
Biology, 13.06.2020 14:57
History, 13.06.2020 14:57
Mathematics, 13.06.2020 14:57
Physics, 13.06.2020 14:57
Mathematics, 13.06.2020 14:57
Mathematics, 13.06.2020 14:57
Mathematics, 13.06.2020 14:57