A pool ball rolling at 10m/s[w] strikes a cushion and then rebounds at a velocity of 10m/s[s]. what is the change in velocity of the pool ball?

Longitudinal waves do not have a. amplitude b. frequency c. wavelength d. speed e. nonsense, longitudinal waves have all of these properties

8. What is the weight in newtons of a 10 kg mass on the earth's surface?

24. A car has a mass of 2,000 kg and speeds up at a rate of 2 m/s? What is the net force exerted on the car?

A solution is known as a homogeneous mixture because _[blank]_. the solvent particles are uniformly dissolved in the mixture the solvent fully dissolves in the solute the solvent is always water the solute fully dissolves in the solvent

500 ml of four different liquids are heated to 50oC. According to the specific heat data, which liquid will cool to 35oC in the shortest amount of time?

A spring has a spring constant of 256 n/m. how far must it be stretched to give it an elastic potential energy of 48 j?

How does the frequency of an electromagnetic wave compare with the frequency of the vibrating electrons that produce it?

A 10 kg box is pushed with a force of 20N. What is the box's acceleration? 200 m/s 2 m/s2 2 m/s 200 m/s2

Which statement is true about planets with longer orbits in the solar system? A. They have longer periods of revolution. B. They are smaller in size. C. They have less distance to travel for one revolution. D. They have longer seasons

Atmospheric conditions near a mountain range are such that a cloud at an altitude of 2.00 km contains 3.20 ✕ 10^7 kg of water vapor. How long (in years) would it take for a 2.