Physics, 26.12.2019 19:31, milkshakegrande101
When a spaceship is traveling at 99% of the speed of light (lorentz factor = 7), an astronomer on board the ship will find thata. everything in the ship weighs seven times more. b. the ship has shrunk to one-seventh its original length. c. everyone on the ship talks seven times slower than normal. d. all of the above. e. none of the above. everything seems normal to the astronaut on board.
Answers: 1
Physics, 21.06.2019 13:40, tanoah7623
Niobium forms a substitutional solid solution with vanadium. compute the number of niobium atoms per cubic centimeter for a niobium-vanadium alloy that contains 24 wt% nb and 76 wt% v. the densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3, respectively
Answers: 1
Physics, 21.06.2019 15:00, garciagang0630
Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency
Answers: 1
Physics, 21.06.2019 21:30, monaldossari
What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided
Answers: 3
Physics, 22.06.2019 14:20, jeny89
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
When a spaceship is traveling at 99% of the speed of light (lorentz factor = 7), an astronomer on bo...
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