Answers by George Kourtis
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Answers by George Kourtis

Answers by George Kourtis
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A 500-kg roller coaster car travels with some initial velocity along a track that is 5 m above the ground. The car goes down a small hill and then coasts back up a higher hill. The second hill is 12 m
answered Sep 13, 2021
2 votes
66.7k views
There are multiple pressures involved in controlling glomerular filtration and the formation of filtrate. Which is the pressure that opposes the formation of filtrate by drawing water out of the filtrate
answered Aug 9, 2021
1 vote
112k views
What is the acceleration of the car at segment C? 30 m/s2, –30 m/s2, 40 m/s2, or –40 m/s2
answered Jun 17, 2021
4 votes
162k views
An experiment is set up to test the angular resolution of an optical device when red light (wavelength ????r ) shines on an aperture of diameter D . Which aperture diameter gives the best resolution? D=(1/2)?
answered Jun 13, 2021
6 votes
32.3k views
Mark is working with the quadratic function y= x2 - 10x + 7. Determine the number and type of roots for the equation using the discriminant.
answered May 20, 2021
3 votes
180k views
Check whether 12^n can end with the digit zero for any natural number n.​
answered May 11, 2021
3 votes
112k views
What is the value of x?
answered Apr 25, 2021
3 votes
55.8k views
Question 4 (2 points) According to Grover, Percy's mom marries Gabe because
answered Apr 19, 2021
1 vote
85.7k views
Solve the given equation. State the number and type of roots. x² + 3x- 4
answered Apr 17, 2021
6 votes
130k views
Which is the correct verb form to tell your sister to set the table
answered Oct 25, 2020
2 votes
101k views
Write Lewis structures for the following molecules: (a) ICl, (b) PH3, (c) P4 (each P is bonded to three other P atoms), (d) H2S, (e) N2H4, (f ) HClO3, (g) COBr2 (C is bonded to O and Br atoms).
answered Sep 16, 2020
6 votes
220k views
A soft-drink machine is regulated so that it discharges an average of 200 mililiters per cup. If the amount of drink is normally distributed with a standard deviation equal to 15 mililiters, what fraction
answered Jun 6, 2020
3 votes
184k views
Which of the following is the best explanation of why cotton was grown in the Southern colonies? The Southern colonies had nutrient-rich dense soil and mild weather. The New England colonies did not have
answered May 27, 2020
5 votes
91.5k views
Accounting question, please help
answered Jan 18, 2020
4 votes
115k views
Which inequalities are true? Check all that apply.
answered Dec 30, 2019
3 votes
118k views
What are strengths and weaknesses of Alexander the Great’s empire?
answered Nov 16, 2019
0 votes
206k views
What is the implicit meaning in this passage? Nick bumped into Arif at the grocery store. "Hi, Arif," said Nick. "Ali and I have an extra ticket to the concert this weekend. Do you want to go?" "Sounds
answered Jul 24, 2019
4 votes
130k views
How to prevent someone from getting the Black Death
answered Feb 2, 2019
4 votes
156k views
Describe the relationship between a and b that will make the value of the expression 7 x a/b equal to 7
answered Jun 9, 2018
4 votes
85.8k views
What is the difference between Cleavage Furrow and Enzymes
answered May 19, 2018
2 votes
150k views
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