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In each cycle, a heat engine receives an input of 1540 J of heat and exhausts 1030 J of heat. What is the thermal efficiency? 0.274 0.456 0.669 0.331
answered
Oct 1, 2018
Physics
college
2
votes
153k
views
Read the sentence. To function properly, the phone needed to be charged. Which correctly identifies the infinitive phrase? To function properly the phone needed to be charged the phone needed to be charged.
answered
Mar 2, 2018
History
high-school
3
votes
195k
views
From this lesson, in what area(s) did the Umayyads influence Spanish culture? language art architecture style of dress
answered
Feb 26, 2018
History
high-school
4
votes
26.3k
views
Explain why India has become a leader in the IT revolution.
answered
Feb 24, 2016
Social Studies
middle-school
0
votes
94.7k
views
Write equation in function form 4x+y=10
answered
May 18, 2015
Mathematics
high-school
2
votes
73.7k
views
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