Answers by Paulo Abreu
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Answers by Paulo Abreu

Answers by Paulo Abreu
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An electron and a proton are held on an x axis, with the electron at x = + 1.000 m and the proton at x = - 1.000 m.how much work is required to bring an additional electron from infinity to the origin?
answered Dec 7, 2019
4 votes
85.0k views
When were Earth’s landmasses first recognizable as the continents we know today
answered Aug 23, 2019
5 votes
220k views
Please help with #6 need it very soon
answered Apr 19, 2019
6 votes
38.6k views
What is the study of heredity
answered Mar 21, 2019
4 votes
175k views
a factory produced 3600 ship models 15% of them prescribed 7/10 of all good ship models were exported the bride and the remaining were sold locally what percent of ship models produce were sold locally
answered Jan 30, 2019
2 votes
42.6k views
A sail is in the form of a right triangle that is four times as high as it is wide. The sail is made from 18 square meters of material. What is it's height?
answered Dec 18, 2018
3 votes
153k views
What was the name for the period of revolutions in Hungary, France, Austria, Switzerland, Spain, Germany, Italy, Denmark, and Romania? A. Winter of the discontent B. Springtime of the peoples C. Summer
answered Sep 15, 2018
2 votes
143k views
How did the formation of the United Nations resemble the formation of the League of Nations?
answered Sep 5, 2018
5 votes
100k views
Using a dating________ system makes it easier to mark and compare historical events. A. Uniform B. Modern C. Historic
answered Jun 23, 2018
3 votes
116k views
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $30 and then an additional 9 cents per minute of use. In Plan B, the customer pays a monthly fee of $36 and
answered Mar 4, 2018
4 votes
221k views
Ken mails three packages at the post office that weigh 8.1, 8.5, and 8.9 pounds. The post office that Ken uses rounds the weight of a package to the nearest pound to determine the price of shipment. It
answered Oct 19, 2017
4 votes
180k views
The poster shows how many of its games of football team has won so far.Express this information as a fraction a,percent and as a decimal.(12 out of 15 wins.)
answered Oct 8, 2017
4 votes
232k views
What sporting event was the first ever to be broadcast on American commercial radio?
answered Feb 13, 2017
6 votes
105k views
collect data (in decibels) of 10 different things in term of loudness. Arrange the data in ascending order & find mean, median & mode for the same.
answered Nov 30, 2015
3 votes
20.7k views
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