A 5.00 kg crate is on a 21.0° hill. Using X-Y axes tilted down the
plane, what is the x-component
of the normal force?
(Unit = N)

Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

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