Objects 1 and 2 attract each other with a electrostatic force of 72.0 units . If the charge of Object 1 is halved , then the new electrostatic force will be units.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone