Physics Crossword

5. if four crests of a wave pass in 36 seconds, what is the period, in seconds, of the wave?
6. the product of force and time
9. the rate at which work is done
10. the law for when a wave passes through the surface to a different medium
12. if a car is driving south with decreasing speed, is the acceleration directed northward, southward, eastward, or westward?
13. if one soccer player kicked the ball 5 meters to their friend on the right, and the friend kicked it back 3 meters to the left, what is the total distance that the ball moved?
14. the slope of a distance vs time graph
17. if a 75kg astronaut exerts a force of 50N on a satellite, what is the magnitude of force, in newtons, that the satellite will exert on the astronaut?
18. the slope of a velocity vs time graph
19. the product of mass and velocity
20. if a planet is orbiting the sun, is its speed the fastest when it is closer to or farther from the sun? (answer with "closer" or "farther")

1. refraction occurs between two transparent media because the speed of light is ___ in the two media?
2. ability to cause change
3. a car moves in a straight line at 20 m/s for 10 miles, then at 30 m/s for another 10 miles. Is the car's average speed less than, greater than, or equal to 25 m/s? (give answer as "less", "greater" or "equal")
4. what does a vector have that a scalar doesn't
7. F*d*cosine of the angle
8. when the frequency of a wave is doubled, the wavelength is ___?
11. the weight of a 7kg cat in newtons
15. when an object is undergoing uniform circular motion does the centripetal force act towards the center or outside of the circle?
16. if one soccer player kicked the ball 5 meters to their friend on the right, and the friend kicked it back 3 meters to the left, what is the displacement of the ball from the first player?