A car runs around a circular race track from the point A to diametrically opposite point B The radius of the circle is ‘r’ . The distance traveled by the car is the displacement of the car is show your work!

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

What happens to the light rays when they hit the specimen?