Consider a stone and a football both at rest and having the same mass. why is it painful to kick the stone than to kick the football so that they both move with the same velocity​

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.

Blank liquids and gases exert a buoyant force on objects placed in them

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form