Answers by Lutz Lehmann
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Answers by Lutz Lehmann

Answers by Lutz Lehmann
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student built a simple heat engine that could lift masses. If the heat engine takes in 300 J of heat and loses 50 J to the environment, how much height will it lift a 1.5 kg mass?
answered Jul 17, 2021
5 votes
213k views
The speed of the wave (how fast the wave repeats) is called the 1. Tempo 2. Frequency 3. Beats Per Minute 4. Forte
answered Jul 16, 2021
5 votes
60.0k views
Describe how to write the Keq expression for the following reaction. 2NH3(g) 3H2(g) + N2(g)
answered May 7, 2021
2 votes
91.8k views
A person driving to work is issued a ticket for running a red light. Which level of the state court structure would deal with the situation described above?
answered May 7, 2021
4 votes
71.0k views
In the story Little Women, one family brings breakfast to another on Christmas morning. Read this passage and then answer the question that follows: A poor, bare, miserable room it was, with broken windows,
answered Apr 28, 2021
7 votes
122k views
B) aº – 49 f) 2a? - 72 j) 8xy - 18xy​
answered Mar 26, 2021
5 votes
20.7k views
Put the steps of argument structure in order. Use the number 1 to indicate the first step in your argument. Provide evidence to support your reason Give a strong reason that supports your claim Present
answered Mar 19, 2021
2 votes
40.1k views
If line L is parallel to line M, what is true about angle ABC and angle DEF? A) They are obtuse. B) They are congruent. C) They are supplementary. D) They are complementary.
answered Mar 3, 2021
4 votes
27.4k views
The number of students in a chess club decreased from 40 to 19. What is the percent decrease? Round your answer to the nearest percent. The percent decrease is %.
answered Feb 26, 2021
2 votes
90.0k views
Germany set the pattern of a conscription to prepare their forces for future conflicts. True False
answered Jan 8, 2021
6 votes
169k views
Which statement about this function is true? O A. The value of a is positive, so the vertex is a minimum. OB. The value of a is negative, so the vertex is a minimum. OC. The value of a is negative, so
answered Jan 5, 2021
0 votes
232k views
Two large cubes are made of unit cubes. Cube A is 2 by 2 by 2. Cube B is twice that of Cube A. Is the surface area
answered Nov 7, 2020
4 votes
86.7k views
What was the first all female anime? What has it led too?
answered Aug 17, 2020
7 votes
232k views
What is “buenísimo” an example of? A. An objectifier B. An adjective C. A superlative D. An adverbial clause
answered Nov 7, 2019
3 votes
164k views
Morganti corporation sells a product for $170 per unit. the product's current sales are 41,800 units and its break-even sales are 33,900 units. what is the margin of safety in dollars?
answered Sep 2, 2019
1 vote
13.9k views
A scientist is giving a presentation on the Milky Way at an astronomy conference. How will the composition of her audience affect the information she includes in her presentation?
answered Jul 23, 2019
3 votes
185k views
Which structure is not unique to plant cells ?
answered May 5, 2019
0 votes
82.4k views
The economic theory that believed a country’s power depended mainly on its wealth was Capitalism Encomienda Mercantilism Nationalism
answered Mar 30, 2019
2 votes
188k views
What's an agreement in which both sides give up something
answered Dec 17, 2018
7 votes
156k views
Which of the following rivers was claimed by the French? A. St. Lawrence River B. Mississippi River C. Ohio River D. Hudson River E. Potomac River
answered Oct 19, 2018
5 votes
198k views
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