Physics, 25.06.2019 10:00 jiboyajordan2069
Aswimmer runs over a horizontal diving board at a speed of 0.95 meters/second. 2.0 seconds after she dives, she hits the water. what was the height of the diving board from the water's surface and how far from the board was the swimmer when she hit the water? a. 20 meters, 1.9 meters b. 1.9 meters, 20 meters c. 20 meters, 2.0 meters d. 2.2 meters, 20 meters
Answers: 1
Physics, 22.06.2019 01:10
Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)
Answers: 3
Physics, 22.06.2019 07:30
Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.
Answers: 2
Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
Answers: 1
Aswimmer runs over a horizontal diving board at a speed of 0.95 meters/second. 2.0 seconds after she...
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