What the velocity of a sound wave traveling though air at a temperature of 20 0C 68 ?

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

In general what determines whether atoms will form chemical bonds?