Physics, 01.04.2021 20:50 alexis9658
Why is coal considered a nonrenewable resource? Check all that apply.
Coal is burned to generate electricity.
Coal power plants give off large quantities of smoke and ash.
Coal forms so slowly that we could use up the supply that exists now.
Coal is available in limited amounts.
Answers: 1
Physics, 22.06.2019 22:10, shimmerandshine1
Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.
Answers: 1
Physics, 23.06.2019 08:10, Ashleymsmith
Which of the following situations would produce an average velocity of zero? o a. a horse galloping in a field b. a round-trip to school and back o c. a trip, first to the moon, then onto mars o d. the criss-crossing path of a flying bug
Answers: 2
Physics, 23.06.2019 13:00, sayedabdullah
Aball is fired with an initial velocity of 500 m/s at an angle of 30 degrees above the horizontal across a level field. a. what are the horizontal and vertical components of the initial velocity. b. calculate the maximum height, the time of flight, and the range of the ball.
Answers: 1
Why is coal considered a nonrenewable resource? Check all that apply.
Coal is burned to generate el...
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