A bridge in Colorado rises 343 m above a river. Suppose you kick a rock horizontally off the bridge. The magnitude of the rock’s horizontal displacement is 55.0 m. Find the speed at which the rock was kicked.

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

If the pressure in a gas is doubled while its volume is held constant. true or false