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Questions in physics

[Answered] Levi observed properties of three different waves and recorded observations about each one in his chart. | Wave | Observations | | :--- | :----------- | | W | travels fastest through metal | | X | travels fastest through air | | Y | travels more slowly through water than air | Which statement is best supported by the table? A. Wave W and Y are light waves. Wave $X$ is a sound wave. B. Wave W is a light wave. Waves $X$ and $Y$ are sound waves. C. Waves Y is a sound wave. Waves X and W are light waves. D. Wave $W$ is a sound wave. Waves X and Y are light waves.

[Answered] Select the correct answer. What is the sum of the forces in an action reaction pair? A. always less than zero B. always greater than zero C. always equal to zero D. sometimes less than zero

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

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

[Answered] Which scenario is thermal energy being transferred by radiation?

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

[Answered] Select the correct answer. A vector [tex]$R$[/tex] is resolved into its components, [tex]$R_x$[/tex] and [tex]$R_y$[/tex]. If the ratio of [tex]$\frac{R_x}{R_y}$[/tex] is 2, what is the angle that the resultant makes with the horizontal? A. [tex]$60.02^{\circ}$[/tex] B. [tex]$5360^{\circ}$[/tex] C. [tex]$26.56^{\circ}$[/tex] D. [tex]$69.59^*$[/tex] E. [tex]$7235^{\circ}$[/tex]

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

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

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