A tennis ball (of mass 0.060-kg) traveling 36 at 10.0 m/s is returned by Andre Agassi. It leaves his racket with a speed of 36.0 m/s in the opposite direction from which it came. What is the change in momentum of the tennis ball?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system