If the soil exerts a trapezoidal distribution load on the bottom of the footing, determine the intensities w1 and w2 of this distribution needed to support the column loadings

Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

What sort of waves exhibit the doppler effect?