SOMEONE PLEASE HELP FAST!!
...
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 16:00
The discovery of the electron as a subatomic particle was a result of
Answers: 2
Physics, 22.06.2019 20:00
In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm
Answers: 1
Physics, 23.06.2019 01:00
2. circled insects have mutations, or changes to their dna. how many of the offspring insects in this generation have mutations?
Answers: 2
Mathematics, 13.05.2021 18:00
History, 13.05.2021 18:00
Chemistry, 13.05.2021 18:00
Mathematics, 13.05.2021 18:00
English, 13.05.2021 18:00
Mathematics, 13.05.2021 18:00
Mathematics, 13.05.2021 18:00
Health, 13.05.2021 18:00
Chemistry, 13.05.2021 18:00
Mathematics, 13.05.2021 18:00