Answers by Hao Ren
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Answers by Hao Ren

Answers by Hao Ren
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If two equal charges each of 1 C each are separated in air by a distance of 1 km, what is the magnitude of the force acting between them? You will see that even at a distance as large as 1 km, the repulsive
answered Jul 22, 2020
1 vote
148k views
Five thousand raffle tickets are sold for $5 each. 50 winnings numbers will be chosen, 40 of which will win $100 each and 10 of which will win $1000 each. find the expected value (expected winnings) per
answered Jul 21, 2020
4 votes
28.2k views
One number is 8 times a first number. A third number is 100 more than the first number. If the sum of the three is 690, find the numbers.
answered Jun 29, 2019
5 votes
53.2k views
What is the measure of one interior angle in a regular hexagon?
answered Mar 8, 2019
3 votes
114k views
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