Physics, 10.07.2019 18:50 ramirezzairap2u4lh
15. to use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your a. forefinger in the direction of the motion. b. forefinger in the direction of the lines of force. c. thumb in the direction of the electromagnetic force. d. thumb in the direction of the magnetic flux.
Answers: 2
Physics, 22.06.2019 21:10
Which radioisotope is used in dating geological formations?
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Physics, 23.06.2019 05:30
Which if these is an etiquette rule? (american football) question 10 options: a. debating with the ref over a call b. not communicating with your team c. post-game handshake d. taunting
Answers: 1
Physics, 23.06.2019 07:00
Conventional hot-water heaters consist of a tank of water maintained at a fixed temperature. the hot water is to be used when needed. the drawback is that energy is wasted because the tank loses heat when it is not in use, and you can run out of hot water if you use too much. some utility companies are encouraging the use of on-demand water heaters (also known as flash heaters), which consist of heating units to heat the water as you use it. no water tank is involved, so no heat is wasted. a typical household shower flow rate is 2.50 gal/min (9.46 l/min ) with the tap water being heated from 51.0 Ëšf (10.6 Ëšc) to 120 Ëšf (48.9 Ëšc) by the on-demand heater.what rate of heat input (either electrical of from gas) is required to operate such a unit, assuming that all the heat goes into the water?
Answers: 3
15. to use your left hand to determine the direction of the voltage developed in a moving conductor...
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