A sound wave travels across a 2,100 meter wide in a valley in 7.0 seconds the speed of the wave is

What is the net force on a dragster with a mass of 900 kg if its acceleration is 32.0 m/s?

Air containing 20.0 mole% water vapor at an initial pressure of 1 atm absolute is cooled in a 1-liter sealed vessel from 200°C to 15°C.

A bug hits the windshield of your car. It goes splat. How does the force on the bug compare to the force on your car?

The force that pulls objects toward each other

What is the frequency of light that has a wavelength of 249 nm? hints what is the frequency of light that has a wavelength of 249 nm? 1.20 * 106 sec?1 1.20 * 1015 sec?1 1.20 * 1015 sec 1.20 * 10?3 sec?1?

Which of the following is not a receptor pair according to the opponent process theory? A. red versus green B. yellow versus blue C. black versus white D. yellow versus red

A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. what is the dependent variable in this experiment?

Bacteria which do not live in extreme conditions are found in this kingdom:

How many moles of h2 gas would be contained in 4.00 of the gas at 202.6KPa and 127c?

Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope? a. Fall, b. slide, c. slump, d. creep, e. fow