Jake drops a book out of a window from a height of 10 meters. at what velocity does the book hit the ground? answer choices: a: 7.0meters/second b: 10meters/second c: 14meters/second d: 28meters/second

Which statement correctly describes the relationship between frequency and wavelength?

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

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