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# In this case, we didn't fire the cannon with enough power to reach the target. - PowerPoint PPT Presentation

We want to hit the target with our cannonball, but we do not know how much power to fire the cannon with. We need to experiment a little bit to see just how much power we need. In this case, we didn't fire the cannon with enough power to reach the target.

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Presentation Transcript

We want to hit the target with our cannonball, but we do not know how much power to fire the cannon with. We need to experiment a little bit to see just how much power we need.

In today's activity you will measure the length of a rubber band and then launch it with different amounts of "stretch". Mark where the front of the band hits the ground for each test. Try to do each test the same, with the exception of the increased stretch.

After the tests are done, I will set a cup at a random distance. Use the information you have gathered and graphed to estimate how much stretch it will take to send the rubber band into the cup.