What percentage of your body is made from water

Which type of energy releases greenhouse gases when used to make electricity?

A 0.80 kg basketball traveling upward at 5.0 m/s impacts an 8.0 10 kg tennis ball traveling downward at 5.0 m/s. The basketballâs velocity after the collision is 3.0 m/s upward. What is the velocity of the tennis ball after the collision?

Which of the following types of waves travels at a different speed through different materials? A. sound waves B. light waves C. seismic waves D. all of these

You have an aquarium which holds 2.65 gallons of water and you would like to place it on an antique stand. Before placing the aquarium on the stand, as a precaution, you decide to determine the weight of the water in the aquarium.

A 0.25-kg ball sits on the roof of a building that is 10 meters tall. Find the GPE. (Gravity = 9.8 on Earth)

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?

How Long will it take a plane flying north from Miami to reach New York City 1800 km away if the average velocity of the plane is 940 km/h

If vector A = 5.5N NE and vector B = 10m N 30° W, what is the vector product of A*B

Which is the best desciption of a molecule?