What is the relation berween linear superficial and cubical expansion

Avalue that describes how heavy an object is and is related to the force of gravity is

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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