Physics, 08.11.2019 07:31 kiaramccurty
Which of the following processes alwaysresults in an increase in the energy of a system? a)the system loses heat and does work on the surroundings. b)the system gains heat and does work on the surroundings. c)the system loses heat and has work done on it by the surroundings. d)the system gains heat and has work done on it by the surroundings. e)none of these is always true.
Answers: 1
Physics, 21.06.2019 22:10, edjiejwi
Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.
Answers: 3
Physics, 21.06.2019 23:20, pineapplepizaaaaa
Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?
Answers: 1
Physics, 22.06.2019 09:30, smiley29162
Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
Answers: 2
Which of the following processes alwaysresults in an increase in the energy of a system? a)the syste...
Mathematics, 04.03.2020 05:34
Mathematics, 04.03.2020 05:35