An automobile is sitting on a hill which is 20 m higher than ground level. find the mass of the
automobile if it contains 362,600 j of potential energy.

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Una carga puntual de 3 x 10-6 c se coloca a 12 cm de una segunda carga puntual de - 1,5 x 10-6 c. calcular la magnitud fuerza eléctrica entre las cargas