Aboat moves with a speed of +2.5 m/s in a direction 25° north of east. if the mass of the boat is 15,000 kg, what is the momentum in the northward direction?

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.

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical