Across
- 2. unit of weight
- 8. Compared to insulators, metals are better conductors of electricity because metals contain more free _______?
- 11. product of mass and velocity
- 13. tendency of an object to resist changes in its state of motion
- 14. _______ waves have the longest wavelength
- 15. 1/frequency
- 17. If a 15-ohm resistor is connected in parallel with a 30-ohm resistor, what is the equivalent resistance?
Down
- 1. A runner starts from rest and accelerates uniformly to a speed of 8.0 m/s in 4.0 seconds. What is the magnitude of the acceleration of the runner?
- 3. 10kg = ____ N
- 4. amount of matter in an object
- 5. force _______ is exerted by surfaces and acts in the opposite direction of velocity
- 6. change in displacement/change in time
- 7. Approximately how far will and object near Earth's surface fall in 3 seconds?
- 9. A 5 newton force directed east and a 5 newton force directed north act concurrently on a point. What is the resultant of the two forces?
- 10. ability to cause change
- 12. Force*displacement*cosθ
- 15. work/time
- 16. A light ray must ______ in speed when passing from air into water.
- 17. force _______ is exerted by ropes and chains