Monday

June 27, 2016
Total # Posts: 34

**Chemistry (Gas question)**

The mean kinetic energy of the molecules in a sample of H20 gas is 12x10^-19 J, calculate the mean velocity of a molecule and the temperature of the gas. Please help need to know for exam tomorrow.
*January 18, 2013*

**calculus quick question**

g(x)= sqrt(1-4x^2) Can someone help me find the first and second derivatives please!
*December 2, 2012*

**calculus please help**

lim y→−1 (sqrt(y^2+8)-3)/y+3 find limit if it exists please help
*December 2, 2012*

**physics help me bob!**

A rock is thrown from the roof of a building with a velocity v0 at an angle α0. The height of the building is h. (i)Calculate the horizontal distance traveled by the projectile before it strikes the ground. (ii)Show that the speed of the rock just before it strikes the ...
*December 2, 2012*

**physics**

What is the wavelength associated with a golf ball of mass 45 g driven off the tee with a velocity of 30 ms-1.
*December 2, 2012*

**Statistics**

Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of sunlight. To test...
*November 9, 2011*

**Economics**

I really appreciate all the help this site provides. I agree check the figures that are given since the person posting the question may type the wrong number such as above. Thank you very much-it helps me think though the answers. Not sure I would even know where to start ...
*July 15, 2009*

**government and nation**

Why didn’t presidential power increase after the nation’s first three wars (1812, Mexican, Spanish-American)? Were the wars different or was the nation different?
*November 22, 2008*

**physiology**

An evolutionary “simple” muscle would be?
*November 20, 2008*

**physiology**

T-tubules can conduct action potentials because A contracture is when there is a lack of ATP in a muscle; this would
*November 19, 2008*

**12th Calculus**

the sum of two nonnegative numbers is 20. find the number if a. the sum of their squares is as large as possible; as small as possible b. oen number plus the square root of th eother is as large as possible; as samll as possible
*November 18, 2008*

**12th grade calculus**

your operate a tour service that offers the following rate: $200 per person if 50 people (the minimum number to book the tour) go on the tour for each additional person, up to a maximum of 80 people total, the rate per person is reduced by $2 it cost $6000 (a fixed cost) plus...
*November 18, 2008*

**12th grade calculus**

let f(x)=x^2 1. show that the line tangent to the graph of f at the point (1,1)is y=2x-1
*November 16, 2008*

**12th Calculus**

let f'(x)=4x^3-12x^2 a. find three different functions with derivative equal to f'(x) b. find the behavior
*November 11, 2008*

**government law**

can some summary what is the Muckley vs. Reitman court case???
*November 10, 2008*

** government**

does anyone know any website that I can find about Government law to answer the following question? [c] Comrade Nikolai, a communist, wishes to hold a Saturday rally in LeBard Stadium at Orange Coast College, but several Costa Mesa citizens object. [d] Ethan Moses, a black ...
*November 9, 2008*

**Calculas HS**

a trucker handed in a ticket at the toll booth showing that in 2hours she had covered 159 mi on a toll road with speed limit 65mph. the trucker was cited for speeding. why?
*November 6, 2008*

**12th grade calculus**

Let f(x)=[x^3-9x] [] --- absolute value a. does f'(x) exist? b. does f'(3) exist? c. does f'(-3) exist? d. determine all extrema of f.
*November 4, 2008*

**HS Calculus/math**

find the extreme values of the function adn where they occur y=x^3+x^2-8x+5
*November 4, 2008*

**HS Calculus/math**

Solve the equation cotx=4 in the interval 0<(smaller and equal to)x<<(larger and equal to)2pie
*October 31, 2008*

**HS Calculus/math**

Find the Parametrization for the left half of the parabola y=x^2-4x+3
*October 31, 2008*

**HS Calculus/math**

suppose that in any given year, the population of a certain endangered species is reduce by 25%. if the population is now 7500, in how many years will the population be 4000?
*October 31, 2008*

**Constitution**

What is the difference between a legislative bond measure, a legislative constitutional amendment, and an initiative constitutional amendment? How many of each are on the ballot?
*October 27, 2008*

**12th grade calculus**

find the derivative of y with respect to the appropriate variable y=sec^-1*5s
*October 19, 2008*

**12th grade calculus**

find the derivative of y with respect to the appropriate variable. y=sin^-1ã2t ã =radical
*October 19, 2008*

**12th grade calculus**

find the lines that are (a) tangent and (b) normal to the curve at teh given point x^2 + xy - y^2 = 1
*October 19, 2008*

**12th AP Calculus**

use implicit differentiation to find dy/dx and then d^2y/dx^2 x^2/3 + y^2/3 = 1
*October 19, 2008*

**12th AP Calculus**

thank u for helping
*October 19, 2008*

**12th AP Calculus**

find the dy/dx of: y=3(cscx)^3/2
*October 19, 2008*

**12th AP Calculus**

find the dy/dx of: x^2=(x-y)/(x+y)
*October 19, 2008*

**essay**

in the play Hamlet by william Shakespeare, are there something rotten in the state of Denmark? and who responsible for that?
*October 19, 2008*

**12th grade government/economics**

Amendments must be ratified by 3/4 of the states. Article IV has given Congress the option of requiring ratification by state legislatures or by special conventions assembled in the states.
*August 24, 2008*

**Social Studies**

I need some ideas on describing When did the Boston Tea Party happen other than the date for a project.
*January 28, 2008*

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