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Questions in physics

[Homework Help] Which statement describes thermal energy? A. the energy that is associated with electric fields B. the energy that is stored in chemical bonds C. the energy that is associated with the pull of gravity D. the energy that is associated with temperature

[Homework Help] Today, we know the composition of the universe fairly well in terms of types of matter (or types of energy that can be put into amounts of equivalent matter, using Einstein's equation [tex]$\left.E=m c^2\right)$[/tex]). What percentage of the universe is dark energy? A. 98% B. [tex]$73 \%$[/tex] C. [tex]$23 \%$[/tex] D. [tex]$4 \%$[/tex]

[Homework Help] Cite this for a textbook Psychology: Six Perspectives By Dodge Fernald

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] Does air contain dust particles?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Homework Help] Which equation best expresses the first law of thermodynamics, assuming [tex]Q[/tex] is heat, [tex]U[/tex] is internal energy, and [tex]W[/tex] is work? A. [tex]\Delta W=\Delta Q+\Delta U[/tex] B. [tex]\Delta W=\Delta U-\Delta Q[/tex] C. [tex]\Delta Q=\Delta U+W[/tex] D. [tex]\Delta U=Q-W[/tex]

[Homework Help] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?