1) which of the following alternative energy sources is not inexhaustible? tidal energy solar energy geothermal energy wind energy 2) which of the following is a problem associated with the increased use of nuclear energy? cost of building sage nuclear facilities major hazards involved in nuclear waste disposal concern over the possibility of a serious nuclear accident all of the above 3) one problem with wind energy as a major source of electricity is it is nonrenewable it causes major air polution it does not work at night the expense of large tracts of the land in populated areas

Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants

Acold front traveling southeast collided with a warm front traveling northwest the following map shows the weather on monday the day the two fronts collided which of these describes the weather forecast for mississippi on tuesday and wednesday