Physics, 29.06.2019 20:50 chrisraptorofficial
Which of the following best demonstrates that even among scientists, decisions can be influenced by preconceptions and social context? a.) the institut pasteurâs unwillingness to publish the work of unknown scientists ernest duchesne b.) the institut pasteurâs unwillingness to publish the work of famed scientists alexander fleming c.) floreyâs agreement with chain that penicillium mood could be the best substance to use in the development of antibiotic d.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue
Answers: 1
Physics, 22.06.2019 00:00
Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
Answers: 2
Physics, 22.06.2019 10:00
Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
Answers: 2
Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
Which of the following best demonstrates that even among scientists, decisions can be influenced by...
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