Why is this a scientific question?
“Do people perform better on exams when they wear the...
Physics, 31.03.2020 18:29 dezmondadelson23
Why is this a scientific question?
“Do people perform better on exams when they wear their favorite color?”
The question is not specific.
The question reflects an opinion.
The question can be tested by a systematic procedure.
The question asks about phenomena that cannot be measured.
Answers: 2
Physics, 21.06.2019 21:20
Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
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Explain what makes a passenger in a turning car slide toward the door. critical thinking
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Physics, 22.06.2019 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
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