How much potential energy dose 40-kg medicine ball gain when it is lifted 5 m? use the formula gpe= mass x gravity (9.8m/s2) x height

Non renewable resources like petroleum eventually

One does not belong why? ice, gold ,wood ,diamond and table salt

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.