Romeo and Juliet are sitting on a balcony 1.7 meters apart. If Romeo has a mass of 65.8 kg and Juliet has a mass of 54.7 kg. what is the attractive force between them?

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.

Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.

Asign is hung between two cables as illustrated below. if the sign weighs 350 n, what is the tension (in n) in each cable?