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August 31, 2015

Homework Help: physics

Posted by sam on Saturday, June 28, 2014 at 6:14pm.

The velocity of a ball changes from 8, −5, 0 m/s to 7.88, −5.28, 0 m/s in 0.04 s, due to the gravitational attraction of the Earth and to air resistance. The mass of the ball is 140 grams.

I calculated the acceleration and got <-3,-7,0>

what is the equation to find the rate of change of momentum of the ball?

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