Askier with a mass of 88kg hits a ramp of snow at 16m/s and becomes airborne. at the highest point of flight, the skier is 3.7m above the ground. what is the skiers gravitational potential energy at this point

Aballet student who learns with the of his instructor is demonstrating learning.

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.