Atmospheric pressure at sea level is measured as 101,325 Pa. What is the weight of the column of air above 1-cm^2 patch of ground?

In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.

Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?