In 2013, renewable energy provided 10% of the total energy used in the united states, and wind energy accounted for 17.4% of the renewable energy used. what percent of the total energy used in the united states in 2011was wind energy?

Ultraviolet rays from the sun are able to reach Earth's surface because A. They require air to travel through B. They have less energy than infrared rays C. They have lower frequencies than visible light D. They can travel through empty space

We place a small pressure sensor at a certain depth in water. with which orientation does the sensor register the greatest pressure, or is the reading the same in all directions?

Consider the chemical reaction involving graphite as the reactant: 2C (s) + O2 (g) → 2CO (g) ΔH = - 110.5kJ According to the Law of Conservation of Energy, what would be the ΔH if the reaction were reversed? A) - 221.0 kJ B) - 55.

How much elastic potential energy is stored in a bungee cord with a spring constant of 10.0 N/m when the cord is stretched 2.00 m?

How to change milomilicenters into kilometer

In a bizarre but harmless accident, a watermelon fell from the top of the Eiffel Tower. How fast was the watermelon traveling when it hit the ground 7.80 seconds after falling?

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

A ball is thrown up into the air with an initial velocity of 64 ft/sec. The ball is 4 ft above the ground when it is released. Its height, in feet, at time t seconds is given by: h (t) = - 16t^2 + 64t + 4.

Total these measurements. Your answer should indicate the proper accuracy. Be sure to include the units in your answer.

What is vector quantities?