The speed of sound in air at room temperature is 344 m/s. The class room is 15 meters wide. How long does it take for the sound to travel from one side to the other?
Use proportionality to explain what happens to the travel time if the room’s width is
doubled.

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.