Is water (H2O) a element? why or why not?

Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.085 V. How much work is done by the electric force when a sodium ion (charge

A superhero flies 285 m from the top of a tall building at an angle of 35◦ below the horizontal. What is the horizontal component of the superhero's displacement?

What does a car weigh if it's tires cover an area of 4 cm and each tire exerts a pressure of 1000 N per square centimeter on the ground

The runner reaches the first camera, at the 500 m mark, at 9:03:05 a. m. and the second camera, at the 600 m mark, at 9:03:25 a. m. What is her average speed over that time interval

Any substance with a defined set of physical properties that can transmit energy

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?