A roller coaster cart of mass m=295 kg starts stationary at point a where h1= 27.5m and a while later is at b where h2= 7.5m. What is the potential energy of the cart relative to the ground at a? What is the speed of the cart at b ignoring the effect of friction?

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?

Which changes of state do the labels represent? a: b: c:

Describe the function of the endomembrane system? what organelles are involved?