The steel ball in a pinball game rolls around a flat, tilted surface. if you flick the ball straight uphill, it gradually slows to a stop and then begins to roll downhill. which direction is the ball accelerating (a) as it rolls uphill? (b) as it rolls downhill?

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?

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Hydrogen and helium are both members of?