HotelInfantesAgres - Together we solve school questions. Logo

Questions in physics

[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] According to the law of conservation of energy, what will most likely happen in a closed system? A. Energy will be exchanged along with matter. B. Energy will be exchanged, but matter will not be exchanged. C. Energy will be created along with matter. D. Energy will be destroyed, but matter will not be destroyed.

[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] What do aerosols, the atmospheric particles, consist of? A) Water and carbon dioxide B) Gas and water vapor C) Nitrogen and oxygen D) Solid and liquid

[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] 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

[Homework Help] Two rockets burn fuel to give them the thrust needed to accelerate. As the fuel burns, the mass of the rocket gets smaller. Assuming that the rocket motors provide a constant thrust force, explain what will happen to the acceleration of the rocket as it burns its fuel.

[Homework Help] The formula [tex]$T=2 \pi \sqrt{\frac{L}{32}}$[/tex] relates the time, [tex]$T$[/tex], in seconds for a pendulum with the length, [tex]$L$[/tex], in feet, to make one full swing back and forth. What is the length of a pendulum that makes one full swing in 2.2 seconds? Use 3.14 for [tex]$\pi$[/tex].