What drives plate tectonics in the earths interior

A cyclist rides in a circle with speed 8.1 m/s. What is his centripetal acceleration if the circle has a radius of 27 m? A. 3.3 m/s^2 B. 2.4 m/s^2 C. 0.3 m/s^2 D. 1.8 m/s^2

Which of the following wires will have the least resistance? a. A long thin wire b. A short thin wire c. A short thick wire d. A long thick wire

A weather report says winds blow at 5km/h from the northeast is this description of the wind a speed or velocity? Explain your answer

The slope of the distance time graph is equal to the what?

An empty bottle has a mass of 24,25 grams and 86,55 grams completely full-filled with water. Then, water in the bottle is emptied and bottle is filled again with 123,95 grams of carbon tetrachloride solvent. Which is the density of the solvent?

Why is energy efficiency important to society's need to be efficient with energy usage?

A wave has a wavelength of 9 mm and a frequency of 14 hertz. What is its speed?

Where would you weigh the most? Mars Pluto Earth The Sun The moon

A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 425 kV.

Match the example to the type of equipment category it fits best in. A Gym bag, workout clothes, hygiene essentials, proper shoes, water, ipod. B Hockey Stick Baseball Glove. Basketball. Pads. Helmet.