Grade 11 Physics Quiz
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A 5.0 kg5.0\,\text{kg} crate moves up a 30∘30^\circ incline with an initial speed of 2.0 m/s2.0\,\text{m/s}. A constant 60 N60\,\text{N} force parallel to the incline pushes the crate uphill through 4.0 m4.0\,\text{m}. Friction of magnitude 5.0 N5.0\,\text{N} acts downhill. Using g=10 m/s2g=10\,\text{m/s}^2, what is the crate's speed after the displacement?
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