Abaseball is thrown a distance of 20 meters . what is its speed if it takes 0.5 seconds to cover the distance ?i will mark & show work

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

How to convert a density of 0.791g/cm3 to lb/ft3