Physics, 08.02.2021 20:30, taylorpayne525p8qxky
A 88-kg sample of liquid water is cooled from 0 degrees Celsius to -43 degrees Celsius. It freezes in the process. How much heat is liberated? For water Lf=334 kJ/kg and Lv=2257 kJ/kg. The specific heat capacity of ice is 2.05 kJ/kg x degrees Celsius.
Answers: 3
Physics, 21.06.2019 19:40, tmark45
Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.
Answers: 3
Physics, 22.06.2019 02:00, ghwolf4p0m7x0
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
Answers: 1
Physics, 22.06.2019 02:20, Hellokittyjam35
Which changes of state do the labels represent? a: b: c:
Answers: 1
Physics, 22.06.2019 09:30, anytka21ovxqoa
How would a small bar magnet be oriented when placed at position x?
Answers: 2
A 88-kg sample of liquid water is cooled from 0 degrees Celsius to -43 degrees Celsius. It freezes i...
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