What is static electricty?

You heat a mug of water to make hot chocolate. Which statement best describes the changes in the water? A. The kinetic energy of the particles increases as the temperature increases. B.

Which situations describe an elastic collision?

In which medium does sound travel the fastest? A. salt water B. fresh water C. air * ** D. cast iron A wave has a wavelength of 10 mm and a frequency of 5 hertz. What is its speed? A. 50 mm/s B. 50 hertz/s C. 2 mm/s 0.

If the mass of a crate is 50 kg and sliding friction is 100 N, what is acceleration when pulling force is 100 N?

Calculate heat produced when 80000 coulombs of charge is transferred in 1/2 hour through a potential difference of 40 volts

What happens to the particles of the liquid inside a thermometer when the thermometer is heated? They slow down and spread apart. They speed up and spread apart. They slow down and move closer together. They speed up and move closer together.

You did 150 joules of work lifting a 120 - N backpack. how high did you lift the backpack? how much did the backpack weigh in pounds

After the layers of sediment are deposited in one place, they are

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

Which statement best describes the kinetic theory of matter? Matter is made up of compounds that are in constant motion and have energy. Matter is made up of particles that seldom move and do not possess energy.