A student is mowing the lawn by pushing the handle of the mower with a force of 280 N 42obelow the horizontal. He pushes the mower a total of 75 m while traveling at a constant speed. How much work did he do?

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

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 frequency goes down, what happens to wavelength? does it get shorter or longer?