Sunday

October 4, 2015
Total # Posts: 13

**physics**

Kevin, I looked up how to get the solution and came up with the formula v = at as Damon says, with V = velocity, A = Acceleration, and T being time. SO velocity = acceleration x time. In our problem, we are give velocity and acceleration, with the unknown being time. 5.05 = 2....
*August 22, 2015*

**mechanics**

A uniform solid sphere rolls down an incline. What must be the incline angle (deg) if the linear acceleration of the center of the sphere is to have a magnitude of 0.16g?
*November 19, 2012*

**Calculus (Urgent Help)**

I believe that it is asking you to take the derivative of the given function, then set it equal to zero. Remember that when you take the derivative to use the product rule. Then find all points on the unit circle between 0 and 2pi and you should come out with 7 x values. Hope ...
*October 25, 2012*

**German**

I need Some more opinions on my paragraph for an essay of mine. Any help appreciated Mein guten Freunds name ist Meaghan. Sie ist Freundlich Klein Intelligent und Tolerant. Sie hat langes blondes Haar. Sie spricht und liest Spanisch. Ich gehe herumhägen mit Freunden am ...
*October 24, 2012*

**General Chem**

given the pH (7.15)of a solution at 25deg C what is the H3O+ and OH-
*October 13, 2012*

**General Chemistry**

find [H3O+] and [OH-] 1)a solution that is 5.8×10−2 M in [HBr] and 1.9×10−2M in [NO3]. 2)a solution that is 0.780% HNO3 by mass (Assume a density of 1.01 g/mL for the solution.)
*October 10, 2012*

**chemistry**

For this question you must fallow the 2 main rules of mechanisms. 1)The slowest elementary (RDS)step must match the rate law of the given rate law. 2)The mechanisms must match the given reaction after crossing out the intermediates of the reactions in the mechanisms.
*October 10, 2012*

**Chem**

2Fe + (1/2)O2 + 1H2O → 2Fe(OH) when you do a balanced equation the one with the smallest coefficients are almost always best. A way to do these types of equations is to start with balancing the oxygens first then the others, then its just trail and error.
*October 10, 2012*

**Physics**

A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and |v|=43000 m/s. What is the mass of that sun?
*October 21, 2011*

**math**

Assume that the sides of triangles are limited to whole-number measures. How many different triangles have a perimeter of 12 meters? Explain how you determined this.
*March 28, 2011*

**geometry**

-7 --- + (-5) 12 The negative seven is over the 12
*September 21, 2009*

**geometry**

-7 --- + (-5) 12 The negative seven is over the 12
*September 21, 2009*

**Math**

-x^3 + 1.85x^2 - x +0.15 = 0 how can you solve for x? An exact solution or a numerical solution? Exact solutions can be obtained as follows: x^3 - 1.85x^2 + x - 0.15 = 0 First get rid of the quadratic term by substituting: x = (y + 1.85/3) You then obtain an equation of the ...
*July 10, 2007*

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