The red 10 kg ball on the left rolls +5 m/s to the right. The blue 10 kg ball on the right rolls at -3 m/s to the left. They have a head on collision.

After the collision, the red ball has a velocity of -3.47 m/s.

After the collision, what is the velocity of the blue ball?

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?