Physics, 10.09.2019 04:30 ssalusso1533
You are driving home from school steadily at 65mph for 130 miles. it then begins to rain, and you slow down to 55mph. you arrive home after driving 3 hours and 22 minutes. how far is your hometown from school?
i'm not looking for an answer, just some guidance. like what formula(s) to use.
Answers: 2
Physics, 22.06.2019 02:30
Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.
Answers: 2
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
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