October 13, 2015

Homework Help: Physics Project

Posted by Kel on Sunday, August 10, 2008 at 2:47am.

I am currently doing a physics project where I am launching a wooden pellet by using a sling into a container full of water. By changing the length the rubber band is stretched, I am measuring the pellet's submergence distance into water.

I know that the velocity of the pellet must increase as the rubber band is stretched to greater distances, but I was wondering if air friction increases as well due to the increase in velocity?

I know friction increases in water when velocity is increased, so will that be relevant to my experiment as well?

What about some of the physics concepts related to my experiment? There is energy transfer from the rubber band to the pellet, and a reaction force from the water as the pellet hits it? Anything else?

Thanks in advance for helping!!

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