Calculate the force of an object shot in the air with a mass of 2 kg and an acceleration of 9.81 m/s2.

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

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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.