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Physics :: Blog :: Archives

September 2008

September 01, 2008

 Dear Professor Cram

On mars, the acceleration due to gravity is 3.71m/s2. What would a rock's velocity be 0.5 sec. after you dropped it on mars?

What is the formula for this problem

Keywords: gravity, mars, velocity

Posted by shannonwelly @ Physics | 0 comment(s)

Dear Professor Cram:

A waterskier is being pulled at a constant velocity of 15.8m/s. The drag force on the boat is 280N.  What is the foce applied to the boat by the propellor?

I don't even know where to start with this one. help please.

Keywords: contant velocity, Force

Posted by shannonwelly @ Physics | 1 comment(s)