3) If light that normally travels at 299,000,000m/s only travels at 200671141 m/s through a material. What is the material most likely made out of? (use the table)
Indexes of Refraction
Air: 1.00
Barium Glass: 1.60
Water 1.33 Crown Glass: 1.52
CR39: 1.50 Polycarbonate: 1.59
Diamond: 2.45 Flint Glass: 1.70

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

)consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0,d1,0). what is the net force f⃗ on particle 0 due to particle 1?