# Posts by Chelsi

Total # Posts: 5

**Physics**

The figure below shows block 1 of mass 0.200 kg sliding to the right over a frictionless elevated surface at a speed of 5.00 m/s. The block undergoes an elastic collision with stationary block 2, which is attached to a spring of spring constant 1208.5 N/m. (Assume that the ...

*December 2, 2014*

**chemistry**

What is the final temperature of water when 2.70 grams of calcium chloride is dissolved in 25 mls of water at 25.5 Celcius.

*October 22, 2012*

**algebra**

how exactly would you do that though? im completely lost :(

*May 14, 2010*

**algebra**

what is the solution of the system of equations? y=4x+1 y=5x-9

*May 14, 2010*

**Math**

How do you factor 3x^3+81

*November 30, 2008*

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