What percent of the energy used in the United States comes from burning fossil fuels?

When you swim underwater, the pressure of the water pushes against your chest cavity and subsequently reduces the size of your lungs. For every 10 m below the water surface, the pressure exerted by the water adds 14.

Suppose an object moves along the y axis so that its location is yequals f (x) equalsxsquaredplusx at time x (y is in meters, x is in seconds).

How many neutrons are in an arsenic atom? I belive there are 42, but better safe than sorry!

Describe one new piece of information that you learned about one of the featured scientist

A laptop computer draws 5 A of current with a voltage of 19 V. Which is the power used by the computer? 15 W 95 W 0.26 W 3.8 W

What is a result when the torques on each side of the fulcrum are equal? no motion rotate counterclockwise about the fulcrum rotate clockwise about the fulcrum iIt will teeter clockwise and counterclockwise about the fulcrum

Suppose a 58-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.175 m2. It is stretched to have no area in 0.100 s.

A yummy glazed doughnut is shown above. 1) where is the center of mass of this fantastic culinary delight? in the center of the hole. somewhere inside the solid part of the doughnut the center of mass is not defined in cases where mass is missing.

10. Explain the difference between the short-term effects of concussions and some of the long-term effects that scientists are recently discovering.

Like the polar bear, the walrus is a strong swimmer, although it does not have the same endurance. For short periods of time, a walrus can swim at an average speed of 9.7 m/s. How far would a walrus swim at this speed in 3.4 minutes?