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September 30, 2014

September 30, 2014

Posted by **Fg** on Friday, April 1, 2011 at 4:49pm.

If the jug has a speed of 3.2m/s relative to the ground and the boy and skateboard move in the opposite direction at .56m/s, find the boy's mass.

Answer in units of kg.

- Physics -
**bobpursley**, Friday, April 1, 2011 at 6:02pminitial momentum= final momentum

0=(M+2.2).56+7.9(-3.2)

solve for M

- Physics -
**Anonymous**, Thursday, December 8, 2011 at 7:38pm24.048 kg

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