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, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
Physics, 22.06.2019 14:00
Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s
Answers: 2
Physics, 22.06.2019 16:30
Select all the correct answers. which three statements about electromagnetic radiation are true?
Answers: 3
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