Concordia University

PHYS 273

LESSON 1

1)If you double the speed of an object how does its kinetic energy change?

2. If the temperature of an object increases, the thermal energy…
3. The energy stored in coal is an example of…
4. Dino and Jake are out for a walk together pushing their strollers. They each exert the same amount of force on their strollers. Dino walks twice as far as Jake. Compare work.
5. The energy due to an object’s motion is called…
6. Energy is…
7. The sun’s energy reaches Earth in the form of…
8. You pick up an apple up off the ground and lift it up one meter to the top of a table. What is happening?
9. The energy carried by light is called…
10. A joule is…
11. The metric unit of energy is…
12. You try to pick up your mom’s car but it is too heavy and it doesn’t move. After you are very tired. Is work done or not done and why?
13. Work is….
14. Mass being converted to energy is an example of…
15. The “c” in E=mc^2 refers to…
16. T or F: Saying “the electromagnetic spectrum” is the same as saying “visible light”.
17. The energy due to the motion of atoms in a material is…
18. A calorie is…
19. T or F: All electromagnetic radiation is visible light