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October 21, 2014

October 21, 2014

Posted by **San** on Saturday, January 5, 2013 at 3:05pm.

I am not sure how to solve this problem. Formula for momentum is

p= mass times velocity

impulse (J) = Fnet times time in seconds

- Physics -
**drwls**, Saturday, January 5, 2013 at 3:10pmSince F = M*a, use

M = F/a

The acceleration (a) is (V2-V1)/t

= 12/0.4 = 30 m/s^2

M = 3.0/30 = 0.10 kg.

- Physics -
**San**, Saturday, January 5, 2013 at 3:12pmOh. That was quite straight forward. Thank you.

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