Physics, 27.09.2019 11:20, nautiannaharper5891
At about 55 meters/sec, a falling parachuter (before the parachute opens) no longer accelerates. air friction opposes acceleration. although the affect of air friction begins gradually, imagine that the parachuter is free falling until terminal speed ( the constant falling speed) is reached. how long would that take?
Answers: 1
Physics, 21.06.2019 14:10, mbonham481
Gam radio signals can usually be heard behind a hill, but fm often cannot. that is, am signals bend more than fm. explain. (radio signals, as we shall see, are carried by electromagnetic waves whose wavelength for am is typically 200 to 600 m and for fm about 3 m.)
Answers: 2
Physics, 22.06.2019 07:30, wananikwecurley99
Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life
Answers: 3
Physics, 22.06.2019 18:30, yuvraj2298
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
Answers: 2
At about 55 meters/sec, a falling parachuter (before the parachute opens) no longer accelerates. air...
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