Physics, 05.12.2019 17:31 giigigihyys2111
Acylinder and piston assembly is warmed by an external flame. as a result, the system absorbs 559 j of heat. the contents of the cylinder expand and perform 488 j of work during the expansion. what is the change in internal energy of the system?
Answers: 2
Physics, 21.06.2019 20:20, pamelperezz26
Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2
Answers: 2
Acylinder and piston assembly is warmed by an external flame. as a result, the system absorbs 559 j...
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