- #1
momoneedsphysicshelp
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- Homework Statement
- A model plane of mass 5.3 kg moves from a height of 15 m to a height of 17 m while decreasing its speed from 14 m/s to 8 m/s. How much work is done by non-conservative forces acting on the plane?
- Relevant Equations
- —350 J
+104 J
—88 J
—245.9 J
+350 J
—104 J
+88 J
+245.9J
—15.9 J
+15.9 J
I am sure that the answer will be negative, but I'm not 100% sure on how to solve the problem. My initial answer was -350 J. Please help. Thanks!