Film Science Questions for: Know Zone - Speed: Going. . .Going. . .Gone!

1. The earth's rotation moves us at what speed?

2. What causes the sensation of speed?

3. Why does the environment of space allow super high speeds?

4. What is the purpose of sloping surfaces on race cars?

5. Why are powered wheels ineffective in moving vehicles faster than 400 mph?

6. What driving actions cause a: a) + acceleration b) - acceleration?

7. Around a curve, trained drivers simultaneously brake, down shift and accelerate. T or F.

8. The racing instructor suggests that the brakes should be pumped for the fastest stops. T or F.

9. What was an initial fear about the effect of breaking the sound barrier on aircraft?

10. Name the first human piloted aircraft to break the sound barrier.

11. At about Mach 3, what happens to the aircraft's skin?

12. At hypersonic speeds, what engine problem arises?

13. a) What propels the ramjet projectile down the accelerator tube?
b) The projectile exits the accelerator tube at what Mach value?

14. Opinion: Why do people buy powerful vehicles?

15. Opinion: Is there a virtue in "slowing down to smell the flowers?"

16. What scientist's equations prohibited faster-than-light travel?

17. a) Doppler radar signals spread out in what shape?
b) They lose effectiveness at what range?

18. Lidar signals are effective out to what range?

19. Travellers moving faster than 40 mph were once thought to be in danger of what?