Physics, 20.06.2019 18:04 makaylamsikahema
The density of gold is 19.3g/cm3. what is the volume of a 13 g gold nugget? ( density: d= m/v)
Answers: 3
Physics, 21.06.2019 22:30
Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations. in what way do laboratory experiments primarily differ from other forms of scientific investigations? a. a laboratory experiment is the only accepted form of investigation within the scientific community. b. studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments. c. laboratory experiments involve the identification and control of variables. d. data can only be generated through laboratory experiments, not other forms of investigation.
Answers: 3
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 09:30
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
Physics, 23.06.2019 20:00
Could someone explain how to do this? i'm kind of confused.
Answers: 2
The density of gold is 19.3g/cm3. what is the volume of a 13 g gold nugget? ( density: d= m/v)...
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