(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

http://www.screencast.com/users/ntrinh3/folders/Jing/media/7b6a2810-2827-44c3-adfc-cd27d564b812

2. Relevant equations

Wnet=change in KE

3. The attempt at a solution

so I made the coordinate with x positive in right direction and y is positive up.

Fdcos30-mgh=.5mv^2

40*.2*cos30 - 5*9.8*sin15*.2 = .5*5*v^2

I got velocity to be .900

The correct answer was .6

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# Homework Help: Calculating velocity of a block on a slope using work theorem

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