Wednesday
May 22, 2013

# Posts by joel

Total # Posts: 233

Ohysics
An airplane flying at 120km/h due west moves into a region where the wind is blowing at 40km/h due east. If the plane's original vecotr velocity is Vplane, what is the expression for the plane's resulting velocity in terms of Vplane. a. 1/3 >Vplane b. 2/3>Vplane ...

Physics
A lightning bug flies at a velocity of 0.25m/s due east toward another lightning bug seen off in the distance. A light breeze blows from the east on the bug at a velocity of 0.25m/s. What is the resultant velocity of the lightning bug? Please direct me to even start-I'm to...

Math
Help! Toshiro Hashimoto invested some money at 4.5% simple interest and \$1000 more than four times the amount at 6%. His total annual income for one year from interest on the two investments was \$801. How much did he invest at each rate?

Language Arts
I need the complete predicate in this sentence? Ida B. Wells was born into slavery in 1862 in Holly Springs, Mississippi.

English
Could someone help with the main idea of this paragraph? Please and thank you Old Man Warner snorted. 'Pack of crazy fools," he said. "Listening to the young folks, nothing's good enough for them. Next thing you know, they'll be wanting to go back to livi...

Math
Thank you so much

Math
Help-I just started Algebra II and I'm lost. What is the solution of 10 = absolute value of 7-3x. Please show steps so I can understand

Physics
I just need to clarify something in my mind- I look at a graph and the position changes from 3 to 8 over a ten second interval, to find total displacement, I just take 8-3 would equal 5 for total displacement, correct? I don't need to bother with the time interval, correct...

Chemistry
What is the pH of a 1.0E-8 M solution of HCl? Please note that you cannot simply add the contribution of H+ ions from the autoproteolysis of water and the contribution from the dissociation of HCl. You will need to use the quadratic equation to solve this problem and report th...

Chemistry
What is the pH (to three figures) of a 0.1 M solution of sodium acetate given that the acid dissociation constant (Ka) of acetic acid is 1.8E-5? Hint: I keep getting 2.87 but its wrong.

Pages: <<Prev | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | Next>>