Answers by Lnu
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Answers by Lnu

Answers by Lnu
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A piston in a heat engine does 600 joules of work and 1,700 joules of heat are added to the system. Determine the change in internal energy and explain how this example demonstrates the conservation of
answered Mar 10, 2018
1 vote
65.9k views
A car is traveling around a horizontal circular track with radius r = 210 m at a constant speed v = 16 m/s as shown. The angle θA = 35° above the x axis, and the angle θB = 53° below the x axis.
answered Jan 23, 2018
4 votes
119k views
Which country produced the most industrial goods in the early twentieth century? A. United States. . B. Germany. . C. England. . D. Japan.
answered Jul 4, 2017
7 votes
43.2k views
The epic poem Beowulf combines elements of paganism and christianity. One aspect of paganism is the concept of wyrd, the old english word for "fate." What is the role of fate in the poem? Based on your
answered Feb 20, 2017
5 votes
69.4k views
Solve: 5x2 + 25x = 0.
answered Feb 14, 2017
2 votes
96.8k views
5r^2s^3 as a monomial
answered Jan 21, 2017
6 votes
169k views
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