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How speedy are you? Speed Trivia. Question #1 What is the world’s fastest animal?

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Presentation on theme: "How speedy are you? Speed Trivia. Question #1 What is the world’s fastest animal?"— Presentation transcript:

1 How speedy are you? Speed Trivia

2 Question #1 What is the world’s fastest animal?

3 Peregrine Falcon Top speed when in a hunting dive 200 mph or 322 km/hr

4 But… Fastest land animal: cheetah (70 mph, 113 km/h) Fastest sea animal: sailfish (up to 68 mph, 110 km/h)

5 Question #2 What is the fastest speed a human can run?

6 Usain Bolt World Record holder 100m = 9.58 sec (38 km/h, 23 mph) http://www.youtube.com/watch?v=3nbjhpcZ9_g

7 Question #3 What is the fastest car?

8 Bugatti Veyron: 267 mph (441 km/h)Bugatti Veyron 0-60 in 2.5 secs $1,700,000 (US)

9 Question #4 How fast does a rain drop fall?

10 It depends… On size and weight of rain drop On wind resistance Average = 7 mph, 3 m/s

11 Question #5 What is the fastest train?

12 Shanghai Airport Maglev 430km/h = ~269 mph

13 Question #6 How fast is the speed of light?

14 299,792 kilometers per second = 1,079,251,200 km/hr !!! 186,287 miles per second = 670, 633,200 mph A traveler, moving at the speed of light, would circumnavigate the equator approximately 7.5 times in one second. By comparison, a traveler in a jet aircraft, moving at a ground speed of 500 mph, would cross JUST the continental U.S. once in 4 hours. It takes 499.0 seconds (8 min) for light to travel from the Sun to the Earth

15 Question #7 How fast does hair grow?

16 Average 1.25 centimeters or 0.5 inches per month 15 centimeters or 6 inches per year Depends on age and health

17 Question #8 Is motion relative? Yes or No?

18 Yes All things are in motion. You may be perfectly still yet the earth is spinning on its axis and orbiting the sun. The sun orbits the center of the galaxy, our galaxy and Andromeda are moving toward one another, most of the other galaxies are moving away. So to measure motion in a meaningful way, we measure it relative to the observer or another object we consider not to be moving. When you pass a car on the highway moving in the same direction, you may be going 70mph, and the other car 65mph. But your speed relative to the other car is 5mph. When the shuttle docks with the space station the two orbiting objects approach one another at a very slow speed relative to one another, but both are orbiting at 17,000mph relative to the surface of the earth.


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