To determine power, it is necessary to know the A. energy required and the time it takes. B. amount of work and the distance covered. C. amount of work in a given time. D. distance and time it takes to do work.

What happened on the moon during the period of Late Heavy Bombardment? a. Volcanism c. The core cooled b. Capture d. The moon condensed into its present form

Two tires have the same amount of air pumped into them, at the same temperature. Tire 1 has a volume of 4,888 m3, and is measured to have a pressure of 191,714 Pa. If Tire 2 is measured to have a pressure of 633,019 Pa, what is the volume of tire 2?

What happens to light when it strikes the inside surface of a smooth, curved mirror? It bounces in random directions. It bounces back toward a single spot. It passes through the mirror and moves in random directions.

If an element has the atomic mass (a) of 80 and its atomic number (z) is 35, how many neutrons does it have?

A plastic sphere floats in water with 50.0% of its volume submerged. This same sphere floats in glycerin with 40.0% of its volume submerged. Determine the densities of:a. The glycerin b. The sphere.

Four soccer players are running down the field at the same speed. Player 1 weighs 145 lbs and is running toward the north goal, player 2 weighs 175 lbs and is running toward the south goal, player 3 weighs 155 lbs and is running toward the south

Pure water has a hydrogen ion concentration of 1 x 10 (-7) M and a ph of 7. A student measures a basic solution and finds that it has a hydrogen ion (H+) concentration of 1 x 10 (-3).

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A train travels 53 kilometers in 4 hours, and then 90 kilometers in 3 hours. What is the average speed

What units should be used when measuring the mass of a lady bug?