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Questions in physics

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

[Answered] Decide whether each proposed addition or subtraction of measurements is possible. If it is possible, write the result in the last column of the table. Be sure every answer you enter has the correct unit symbol. | proposed addition or subtraction | Is this possible? | result | |---|---|---| | [tex]$61.0 ms-36.0 ms=?$[/tex] | yes no | | | [tex]$21.000 s+44.000 ms=?$[/tex] | yes no | | | [tex]$42.0 g+45.0 L=$[/tex] ? | yes no | |

[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?

[Answered] When driving 55 mph, 4.6 seconds is enough time to travel A. Over 200 yards B. The length of a football field C. 1 mile D. 55 feet

[Answered] National Fire Protection Association (NFPA) classified solid materials like (wood, paper, clothes, etc.) fires: A. Symbolized by (A) B. Symbolized by (B) C. Symbolized by (C) D. Symbolized by (D)

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

[Answered] How much energy does an X-ray with an [tex]$8 nm\left(8 \times 10^{-9} m\right)$[/tex] wavelength have? A. [tex]$2.48 \times 10^{-17} J$[/tex] B. [tex]$8.28 \times 10^{-26} J$[/tex] C. [tex]$3.33 \times 10^{16} J$[/tex] D. [tex]$1.99 \times 10^{-25} J$[/tex]

[Answered] Which celestial body would have the strongest gravitational pull on a satellite orbiting 100 km above its surface? Explain your answer.