A factory whistle blows at a frequency of 1216 Hz what will the passengers of a car moving at 28 m/s away from the whistle hear if the speed of sound is 343 m/s

Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm

Why should seat belts not be mandatory quick plz

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse