* 1(a) Lightning Flash A lightning flash may transfer up to 18 C of charge through a potential difference of 107 V
How much energy does this involve?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

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