g You are on a train traveling at a speed of of 129 km/h. You pass by a car waiting to cross the tracks and honking its horn which emits a frequency of 894 Hz, on a day when the speed of sound is 342 m/s. What frequency do you hear as you approach

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i. e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.

How to calculate voltage drop in a series circuit