Saturday
April 19, 2014

Posts by Ivana


Total # Posts: 16

Physics
A 12100kg railroad car travels alone on a level frictionless track with a constant speed of 15.0m/s . A 6100kg load, initially at rest, is dropped onto the car. What is the car's new speed?

Statistics
Fire department response time is the length of time it takes a fire truck to arrive at the scene of a fire starting from the time the call was given to the truck. Response time for Gabble Fire Department follows a mound shaped and symmetric distribution. The response time has ...

4th grade math
What are 3/7,1/9,and 2/3 all realated to?

4th grade math
Homework is fun^_^ I wish I always get homework:D

Physics- HELPPP
A combination of 0.383 kg of water at 22.8◦C, 0.499 kg of aluminum at 61.3◦C, and 0.408 kg of copper at 68.3◦C is mixed in an insulated container and allowed to come to thermal equilibrium. Determine the final temperature of the mix- ture.

math
(x*x - 3x + 2) and (5x*x - 3x - 8)

Chemistry
A buffer contains 5.00 M acetic acid and 5.00 M acetate anion. Gaseous HCl (0.010 mole) is added to 1.00 L of this buffer solution (the total volume does not change). For this buffer solution, the initial pH is_______and the final pH after the addition of the HCl gas is_______...

physics
An object of mass 0.5 kg is thrown vertically upward at a speed of 30 m/s. What is the kinetic energy of the object at the highest point of its trajectory? Would this answer be zero since velocity at the highest point is zero?

socialstudies
what is reading goal mean to you ?

Chemistry
What pressure will be exerted by 109 grams of fluorine gas in a 3,4000mL cylinder at 20degree celcius?

College Chemistry
Calculate the molar concentration of acetic acid (CHcCOOH) in the vineagar sample using the average volume of NaOH. Assume that the density of vinegar is 1.00 g/mol. Average volume of NaOH- 27.88

Science
Suppose a large atom bonds with a small atom. Predict whether the properties of the new molecule will be the same as the large atom, the same as the small atom, or different from both atoms.

english
Is this a good body paragraph? Did I include a topic sentence? Please let me know as I have to turn it in tonite!!! Thanks. Healthful eating encourages Americans to adopt a healthier lifestyle which will help society avoid the number one killer of Americans: Diabetes. Healthfu...

english
Is this a good body paragraph? Did I include a topic sentence? I have to turn it in tonite. Pls let me know. Thanks Healthful eating encourages Americans to adopt a healthier lifestyle which will help society avoid the number one killer of Americans: Diabetes. Healthful eating...

english
I'll send it in 30 mins for your feedback, thanks.

english
HELP!! I wrote an outline instead of a body paragraph on "Healthful eating" which was wrong. Please, can someone write a good body paragraph for me, so that I have an idea of what I'm supposed to do. Thanks

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