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Az Ön új prezentációs asszisztense.

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Betöltés...
Átirat

vi=41.91m/s vf=33.528m/s t=? di=1100m a= -3.33m/s^2

200m downhill

Cheetah

200m Straight

Sailfish

t=? a=3.33x1/2= 1.66m/s^2 vi=33.538m/s vf=41.91m/s

t=5.049s vi=33.528m/s di=900m a=1.66m/s df=? vf=41.91m/s

vf=vi+at

41.91m/s= 33.528m/s + 1.66m/s^2(t)

8.38m/s= 1.66m/s^2(t)

t=5.049s

v1=22.912m/s vf=30.55m/s di=700m a= 5.08m/s^2 t=?

df=di+vi(t)+1/2at^2

df=900m+33.538m/s(5.049s)+1/2(1.66m/s)(5.049)^2

df=900m+169.282+21.158

df=1090.44m

Last 200m Straight

df=1100m di=900m t=? vf=41.91m/s

vf=vi+at

30.55m/s=22.912m/s+5.08m/s^2(t)

7.638= 5.08(t)

t= 1.50s

vf=vi+a(t)

33.528m/s= 41.91m/s-3.33m/s^2(t)

-8.382m/s=-3.33m/s^2(t)

t=2.517s

8.482s to complete track

df=Vav(t)+di

1100m=41.91m/s(t)+900m

200m= 41.91m/s(t)

t=4.771s

t=1.5s a=5.08m/s^2 df=? di=700m v1=22.912m vf=30.55m/s

Sailfish

t=?

Last 200m Sailfish

di=1300m

Results:

vi=38.187m/s vf=30.55m/s t=?

di=1100m a=-5.08m/s^2

vf=33.528m/s

vf=vi+at

30.55=38.187-5.08(t)

-7.37=-5.08(t)

t-1.5s

Time: 55.431s

Winner: Sailfish

Loser: Cheetah

t=1.5s v1=38.1877s vf=30.55s

di=1100m df=? a= -5.08m/s^2

df=1100+38.187(1.50)+1/2(-5.08)(1.5)^2

df=1151.555m

t=3s vi=30.55m/s vf=38.187m/s

a=2.54m/s df=?

df=di+vi(t)+1/2at^2

df=700m+ 22.912m/s(1.5s)+1/2(5.08)(1.50s)2

df=700m+ 34.368+5.715

df=740.083m

df=Vav(t)+di

1300m=33.528m/s(t)+1100m

200m=33.528m(t)

t=5.965s

Time: 59.773s

t=? a=-5.09 vi=38.187 vf=30.55

df=1300m

1300m= 30.55(t)+1100m

200m=30.55(t)

t=6.546s

8.046s to complete last track.

a=-2.54m/s6^2 vi= 30.55m/s

t=? vf= vi+at vf=38.187m/s

38.187m/s= 30.55m/s+2.54m/s^2(t)

7.63m/s=2.54(t)

t=3.00s

df=900m+30.55m/s(3s)+1/2(2/54)(3)^2

df=1003.08m

df=di+vi(t)+1/2at^2

df=1100m+ 4.91(2.517s)+1/2(-3.33)(2.517)^2

df=1100m+105.487-10.548

df=1194.939m

t=2.517s vi=41.91m/s a= -3.33m/s^2

di=1100m vf=33.528m/s

5.237s+3s=8.237s to complete

track

df=1100m di= 900m vf=38.187m/s

t=? df=Vav(t)+di

1100m=38.187(t)+900m

t=5.37s

di:700 df=900m vf=30.55m/s a=5.08m/s

t=?

df= Vav(t)+di

900m= 30.55m/s(t)+700m

200m=30.55m/s(t)

t=6.546s

6.546+1.5=8.046s to complete track

200m Straight

CHEETAH:

vi=25.146m/s a=3.33m/s^2 t=? Di= 700m

vf= 33.528m/s

8.729s+3.00s=11.729s to complete uphill track

vf=vi+a(t)

33.528m/s= 25.146m/s+ 3.33m/s^2(t)

df=700m t=? vf=22.912m/s di=500m

df=Vav(t)+di

700m= 22.912m/s(t)+500m

200m= 22.912m/s(t)

t=8.729s

8.382m/s= 3.33m/s^2(t)

t=2.517s

df=? a=3.33m/s^2 t=2/517s vi=25.146m/s d1=700m

df=di+vi(t)+1/2at^2

df=500m+ 22.912(3s)+1/2(-2.54m/s^2)(3s)^2

df=500+68.736+-1143

df=557.306

df=di+vi(t)+1/2at^2

df=700m+ 25.146m/s(2.517s)+1/2(3.33)(2.517)^2

df=700+63.292+10.548

df=773.84m

t=3.00s vi=30.55m/s df=? vf= 22.912

di=500m

vf=vi+at

22.912m/s=30.55m/s-2.54m/s^2(t)

-7.637m/s=-2.54m/s^2

t=3.00s

df=900m vf=33.528m/s di=700m t=?

vi= 30.55m/s di=500m

vf= 30.55m/s x .75= 22.912m/s a= -1/2x5.08m/s= -2.54m/s^2 t=?

df=Vav(t)+di

900m= 33.528m/s(t)+700m

200m=33.528m/s

t=5.965s

Sailfish

Cheetah vs. Sailfish

5.965s+2.517s= 8.482s to complete 200m straight

track.

200m uphill

500m Straight Shot

7.953+5.049= 12.999s to complete uphill track

By: Diego & Miao

200m= 25.146m/s(t)

t=7.953s

df=Vav(t)+di

700m= 25.146m/s(t)+500m

df=700m t=? Vf=25.146m/s di=500m

9.89s+10.059s= 19.949s to go 500m

13.36+6.013= 19.373s to go 500m

500m= 33.528m/s(t)+168.47m

331.53m=33.528m/s(t)

t=9.89s

500m= 30.55m/s(t)+91.836.47m

408.164m=30.55m/s(t)

t=13.36s

df=500+169.282-21.159

df=648.123m

3. df=500m Vf= 33.528m/s di=168.47m

3.df=500m Vf= 30.55m/s di=91.836m

df=di+vi(t)+1/2at^2

df=500m+ 33.528m(5.049s)+1/2(-1.66)(5.049)^2

df=di+vi(t)+1/2at^2

df=0m+0m/s(6.013s)+1/2(5.08)(6.013)^2

df=1/2(5.08)(6.013)^2

df=91.836m

df= di + vi(t)+ 1/2at^2

df= 0m+ 0(10.059s)+1/2(3.33)(10.059)^2

df= 1/2(3.33)(10.059)^2

df= 168.47m

df=? a=-1.66m/s^2 Vf=25.146m/s di=500m vi=33.528m/s

2. df=? a=3.33m/s^2 vi= 0 m/s

di= 0m t= 10.059s vf=33.538m/s

2. df=? a=5.08m/s^2 t=6.013s di= 0m

vi=0m/s vf= 30.55m/s

25.146m/s=33.528m/s-1.66m/s^2(t)

-8.382m/s = -1.66m/s^2(t)

t=5.049s

Vf= vi + at

33.528 m/s= 0m/s +3.33m/s^2(t)

33.528 m/s= 3.33m/s^2(t)

t= 10.059s

vf= vi + at

30.55m/s=0m/s+(5.08m/s^2)t

30.55m/s=(5.08m/s^2)t

t=6.013s

1. vf= 33.528m/s vi= 0m/s

t=? a=3.33m/s^2

vf=vi+at

vi= 33.528m/s

di=500m

1. t=? a=5.08m/s^2 vf=30.55m/s

Fun Facts:

vf= 33.528m/s x .75= 25.146m/s a= -1/2x3.33m/s= -1.66m/s^2 t=?

Cheetah

Sailfish

500 Straight-Away

Cheetah

200m Uphill

Fastest Land Animal: Cheetah

Can swim from 0 to 100 yds in 3s.

500m straight

200m uphill

200m straight

200m downhill

200m straight

Max Speed: 68mph

30.55m/s

a=3.33m/s^2

a=5.08 m/s^2

Largest sailfish caught was in 1994,

weighed 141 pounds and was over 10

feet in length.

-Have poor night vision, but have amazing eyesight

during the day.

-Hunt during the day unlike lions and leopards

-Cheetahs prey on gazelles, impalas,

wildebeest calves,ostrich, and

antelope.

Fun Facts:

Also known as Bayonet Fish

Feed on sardines, anchovies, octopus, squid

Sailfish

Max Speed: 70-75mph

33.528m/s

Track Length: 1300m

60= 0m+0m/s(3s)+1/2a(3s)2

Position Time Graph

Figure 8 Track

0-60km in three seconds

The Track

df= di+ vi(t)+1/2at^2

t =3s a= ? vi= 0m/s

di= 0m df=91.44m

df=di+Vi(t)+1/2at^2

91.44= 0m+0m/s(3s)+1/2a(3s)^2

t =3s a= ? vi= 0m/s

di= 0m df=60m

Cheetah

Sailfish

Velocity Time Graph

red points= cheetah

blue data points = sailfish

(cc) image by anemoneprojectors on Flickr

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