A 4.0-kg ball has a momentum of 20.0 kg-m/s. What is the ball's speed?

What effect does increasing the pressure have on this equilibrium? Hint: which reaction produces fewer gas molecules? A. The forward reaction is favored. B. Pressure has no effect on gaseous systems. C. The reverse reaction is favored.

Gas mileage actually varies slightly with the driving speed of a car (as well as with highway vs. city driving).

A source of sound is kept in a jar in a vacuum. Air is slowly introduced in to the jar. What happens to the sound coming out of the jar?

Which option best describes the function of a switch? A. An open switch prevents electric flow, and a closed switch allows electric flow B. An open switch strengthens electric flow, and a closed switch weakens electric flow C.

Which dinosaur had teeth that measured six inches

What energy do electrons have when they are farther away from the nucleus?

200 525000 lololo Boat A is 10 km north of a port. Boat B is 5 km east of the same port. Boat A sails in a straight line towards boat B. Work out the bearing on which boat A sails.

Is Li greater than He on the periodic table?

White light falls on a yellow filter, if: (a) A green filter is placed behind a yellow filter, what is the colour of the light that will emerge from the green filter?

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]