Physics 271: Advanced Honors Physics I
Recitation #6
Fall 2017

37. (a) 42 J (b) 30 J (c) 12 J (d) 6.5 m/s, +x axis (e) 5.5 m/s, +x axis (f) 3.5 m/s, +x axis. Here, the best way to "do the integral" is to evaluate the area under the curve. First figure out how much work each box on the graph represents. For d, e and f use the work-kinetic-energy theorem.

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