Answers by Tim Wu
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Answers by Tim Wu

Answers by Tim Wu
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A train is pulling four train cars and each car has a mass of 40,000 kg. The train is accelerating at 1.1 m/s^2. What is the force produced by the train's engine car to provide this acceleration? (Ignore
answered Mar 22, 2020
2 votes
174k views
The Portland Division's operating data for the past two years is as follows: Year 1 Year 2 Return on investment 12 % 24 % Net operating income ? $ 288,000 Turnover ? 2 Margin ? ? Sales $ 1,600,000 ? The
answered Jan 30, 2020
7 votes
157k views
Developed during the ad 500s, _____________ became one of the major byzantine industries. *
answered Oct 24, 2019
3 votes
725 views
Complete the pattern. Five, 10, 30, 60, 180,? What comes next?
answered Jun 7, 2019
3 votes
63.1k views
Residents of Newburgh voted on whether to allow a developer to build a shopping center the number of votes in favor of the center was 4400 the number against it was 17,600 what percent of the voters were
answered May 12, 2019
4 votes
118k views
Thunder without lightning is common. True or False
answered Feb 18, 2019
4 votes
53.8k views
Letter D is the part of the cell that makes proteins. What is letter D? A) ribosomes B) chromosomes C) chloroplast
answered Dec 6, 2018
4 votes
143k views
According to deetz or ferguson, slave quarter houses and yards in the american south often show
answered Aug 8, 2018
3 votes
161k views
A hummingbird flies in circles around a bush. if the velocity of the hummingbird is 720 cm/s and the radius of the circular path is 9.0 cm, what is the centripetal acceleration of the hummingbird?
answered Jul 15, 2018
4 votes
17.6k views
What is 542,897*987,546
answered Apr 27, 2018
1 vote
227k views
Proteins are composed of ____ amino acids, of which ____ are essential amino acids and ____ are nonessential amino acids.
answered Jan 21, 2018
1 vote
124k views
When viewing a cork through his homemade microscope, Robert Hook discovered small compartments that he called _____. boxes cells prokaryotes eukaryotes
answered May 3, 2017
6 votes
91.4k views
The heavy rain leaches nutrients from the topsoil. crops can be grown year round because of the warm soil temperature, so plants are using nutrients from the soil year-round.
answered Feb 24, 2017
4 votes
165k views
Discuss any five factors that could hamper (block) effective communication
answered Feb 16, 2017
4 votes
59.4k views
Soo-Jin and mary had an equal number of beads. After soo-jin gave 54 beads to mary. Mary had 7 times as many beads as soo-jin how many beads did they have altogether?
answered Feb 1, 2015
3 votes
49.6k views
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