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Projectile motion (part 5)

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Uploaded by on Nov 2, 2007

How fast was the ball that you threw upwards?

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LICENSE: Creative Commons (Attribution-Noncommercial-No Derivative Works).

For more information about this license, please read: http://creativecommons.org/licenses/by-nc-nd/3.0/.

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Uploader Comments (khanacademy)

  • If you threw the ball at escape velocity (or greater), would this predict that the ball would not return?

  • In the absence of air, the ball would not return (otherwise the air would slow it down)

Top Comments

  • "a pure test of testotesrone" - lol!

  • Sal Kahn gives me a boner for physics :D

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All Comments (42)

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  • I am very happy to see the vidoe Projectile motion (part 5) after you give this

  • I Love The Video How fast was the ball that you threw upwards It Can Increase My Knowledge

  • Steady I Really Like This Video How fast was the ball that you threw upwards

  • U just taught me how to be a successful gambler :P

  • easier way. distance = (vi^2*cos0sin0)/g

  • For some reason i learn physics when it is taught by you, not by my teacher.

  • would kahn's class be equivalent to an honors physics class or a college level physics class?

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