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Define the term "force".

An 800 N box is pushed across a level floor for a distance of 5.0 m with a force of 400 N. How much work was done on this box.

A boy pulls a wagon full of newspapers down the sidewalk at a constant acceleration. Suddenly, half the newspapers fall off the wagon. If the boy continues to pull with the same force as before, what happens? A. The net force remains constant. B.

In the box provided explain why living organisms contain more hydrogen atoms than any other atoms

Name two ways humans use sound other than hearing and an example of each

In a chemical reaction, one element replaces another element in a compound to form a new substance. Which of the following best describes this type of chemical reaction? Combustion Neutralization Double Replacement Single Replacement

If the Earth's crust contained twice as much iron as it does, would atmospheric oxygen buildup have been slowed down or sped up during the past 2.

Which of the following statements is true? A. Energy can change from one form to another. B. Matter and energy do not interact. C. Energy cannot be stored. D. Energy does not transfer from place to place.

Work is done when a force A. is exerted while pulling a wagon up a hill B. acts vertically on a cart that can only move horizontally C. is exerted by one team in a tug of war when there is no movement D.

From whom should a departing VFR aircraft request radar traffic information during ground operations?