Ian and Dane are twins. Ian loves art and music and work after school. Dane loves sports and would do anything to avoid having a job. This is an example of how development is:

You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that