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Pirates Of The Caribbean and Projectile Motion:          Rachelle Vaughn    rbv104@psu.edu   . Projectile Motion. Projectile motion- The path an object travels through space.

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Pirates Of The Caribbean and Projectile Motion:         Rachelle Vaughn   rbv104@psu.edu

• Projectile motion- The path an object travels through space.

• I am Proving that Jack will not be able to make it clear across the cliff by launching himself into the air with the stick tied to him.

• Captain Jack gets tied to a bamboo stick and he gets hunted and gets fruit thrown at him which ironically gets stuck to each end of the stick. He tires to escape by  a catapulting launch with the top of the stick across the cliff.

•  Stick length- .09 m

• Mass weight- 185 lbs

• Time- 3.80 seconds

• Distance- .34 m

• Starting angle-40°

• D=Vxt

• 34m = Vx(3.8)                Vx = VicosΘ

• 34m/3.8                            8.95m/s = Vi (cos40°)

• Vx = 8.95 m/s          Vi = 11.68 m/s (3600s)(  1min  )

• hr      1609m

•                                                        Vi = 26 mph

•  Explanations:

•    I first took the first equation which was distance =  velocity x time which gave me the distance that he was running. The second equation I  simply plugged in the distance to the equation to find the speed that he was running and after multiplying anf dividing out the numbers that were found I got that Jack was running 26mph.

• D=Vxt

• Vx=Vi cos Θ

• H=1/2 gt 2

Vx= 8.95m/s

*If he was running at 8.95m/s he would be going down when running off the cliff. He would drop a total of 47m, which is halfway down the cliff from where he originally landed.*

• Top speed of an olympic sprinter- 2.31 m/s

• He was running  11.68 m/s

• He is going 5 times the speed of an olympic sprinter.

• In the calculations I found Jacks speed which was 26mph. After plugging the olympic runners speed in we got 5.17mph. That wouldd prove that Jack is running 5 times the speed of an olympic runner.

•    **** Vx = VicosΘ****

• 2.31m/s = (3600)(   1   )    Vx = 5.17 mph

• hr      1609

• In conclusion Captain Jack will not be able to make it clear across the cliff because he will come too short of the other edge.

•  "Johnny Depp - Wikipedia, the Free Encyclopedia." Main Page - Wikipedia, the Free Encyclopedia. Web. 12 Apr. 2010. <http://en.wikipedia.org/wiki/Johnny_Depp>.

•  Online Conversion - Convert Just about Anything to Anything Else. Web. 12 Apr. 2010. <http://www.onlineconversion.com/>.