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Propeller Further Investigations

  • Can you add enough clay to the sled so that the propeller makes it reach a maximum velocity and then level off? What do the position and velocity graphs look like? This is called "terminal velocity". In what other situations is there a terminal velocity?

  • Try placing a different designs of wind shields or sails on your cart to affect its motion.

  • Add clay to the sled until it just won 't move. What 's the force on the cart at this moment?

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