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July 28, 2014

July 28, 2014

Posted by **Laura** on Thursday, October 4, 2012 at 9:41am.

- Intergated chemistry/physics -
**GeorgeK**, Thursday, October 4, 2012 at 4:27pm1) Momentum = (150lb+30lb)(20mi/hr) = _______lb*hrs

2) Find half of the above answer

3) momentum = mass x velocity, or

p = mv

Substitute the value of p from step 2 and 30lbs for the mass of the dog in the above equation. Solve for V.

Please note: The unit of momentum here is 1 lb*hr. Not the standard momentum unit but it is conveneient here.

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