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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] 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] 1. Energy absorption in a crash is directly dependent on A. vehicle speed. B. angles of collision. C. areas of vehicle contacts. D. all of the above 2. In a motor vehicle crash, as a car crushes, it absorbs some of the force of the collision. A. TRUE B. FALSE 3. If your speed triples, you need A. nine B. seven C. five D. three times the distance to stop.

[Answered] Under what condition is average velocity equal to instantaneous velocity?

[Answered] Name five scientific models that explain the structure of the atom.

[Answered] In the stages of nuclear fusion inside stars, which element in the list is the ultimate building block for all the others? A. hydrogen B. helium C. carbon D. oxygen

[Answered] Select the correct answer. What is the momentum of a 76-kilogram horse running at a speed of 45 kilometers/hour? A. $2.5 \times 10^2$ kilogram-meters/second B. $3.4 \times 10^4$ kilogram meters/second C. $3.4 \times 10^3 kilogram$-meters/second D. $9.5 \times 10^2$ kilogram-meters/second

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

[Answered] Our best dates for the origin of the solar system come from A. rocks found on the moon. B. the oldest rocks on Earth. C. meteorites. D. gases in the sun.