A ball drops 5m, then bounces to 3m. What's the approximate fractional energy loss?
Anonymous Quiz
19%
0.2
43%
0.4
32%
0.6
6%
0.8
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What is the integral of 2x*e^(x^2) dx?
Anonymous Quiz
9%
e^(x^2) + C
69%
x^2*e^(x^2) + C
12%
e^x + C
10%
2*e^(x^2) + C
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