Across
- 2. You can determine a projectile's trajectory if you know its
- 3. a vector quantity has both magnitude and ___
- 4. an object shot through the air
- 7. which waves reach earth's surface
- 10. increase in ___ increases the gravitational potential energy of an object
- 11. what represents change in speed on a position time graph
- 12. F=ma is the equation for
- 15. which type of force is the strongest when acting upon an atom
- 16. if there is more mass, the acceleration is
- 18. Highest frequency of light visible
- 21. is distance a scalar or vector quantity
- 22. What do mechanical waves need
- 24. momentum depends on what
- 26. the angle between the incident ray and the normal
- 30. electromagnetic wave with the lowest frequency
- 31. the lowest part of a wave
- 32. unit to measure force
- 33. what does coulombs law involve
- 35. which color is not included in the light spectrum
- 38. What is the direction of the acceleration of an object in circular motion
- 39. what increases when a voltage source is added in a series circuit
- 41. what kind of speed is registered by automobile speedometer
- 42. What is a force
- 43. a joule is a unit of
- 45. coldest temperature possible
- 49. In physics, temperature is the average ______ of the moving particles in a substance
- 50. if the force of an object doubles, what happens to its acceleration
Down
- 1. increases when a metal spring is stretched horizontally
- 3. as we become older, the frequency range of human hearing ____
- 5. an image that forms behind the lens
- 6. what is the unit for power
- 8. what type of wave is a sound wave
- 9. Who invented physics
- 13. what is the change in momentum
- 14. where are the protons and neutrons located in an atom
- 17. which lens always has a positive focal length
- 19. change in momentum
- 20. if one bulb goes out, they all do
- 23. what increases with pitch
- 25. objects at rest will stay at rest is what law
- 27. 9.8 m/s2 represents the acceleration of ___
- 28. if a force is applied opposite the direction of the motion the work is
- 29. the more mass an object has the ___ potential energy it has
- 34. si unit for current
- 36. what kinds of images do convex mirrors form
- 37. what kind of line represents constant speed on a velocity time graph
- 40. the laws of physics tell us that energy is
- 44. the doppler effect changes this property of a wave
- 46. refraction is the ___ of light rays
- 47. energy cannot flow unless there is a __ circuit
- 48. A light bulb transforms electrical energy into