Scientists are beginning to develop the technology to observe other Sun-like stars distant from our solar system. They can even detect large Jupiter-like planets orbiting some of these stars. Other stars appear to have no planets, but astronomers can see the star wobble a bit in space. What do you think this means?
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Physics, 21.06.2019 21:30
Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
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Physics, 21.06.2019 23:10
6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
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Physics, 22.06.2019 10:00
Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.
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Physics, 22.06.2019 12:20
What is the coefficient of kinetic friction μk between the block and the tabletop?
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Scientists are beginning to develop the technology to observe other Sun-like stars distant from our...
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