Friday

December 19, 2014

December 19, 2014

Total # Posts: 21

**Physics**

A television tube operates at 20,000V. What is min wavelength for the continuous x-ray spectrum produced when the electrons hit the phosphor?
*September 23, 2014*

**Physics**

The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an x-ray?
*September 23, 2014*

**Physics**

The Tevatron accelerator at the Fermi National Accelerator Laboratory (Fermilab) outside Chicago boosts protons to 1TeV (1000GeV) in five stages (the numbers given in parentheses represent the total kinetic energy at the end of each stage):Cockcroft-Walton (750keV), Linac (...
*September 14, 2014*

**Physics**

Calculate the energy needed to accelerate a spaceship of mass 10,000 kg to a speed of 0.3c for intergalactic space exploration. Compare with the projected energy usage of the Earth in a decade 10^22J?
*September 14, 2014*

**physics**

You are traveling in a convertible with the top down. The car is moving at a constant velocity of 16.6 m/s, due east along flat ground. You throw a tomato straight upward at a speed of 9.85 m/s. How far has the car moved when you get a chance to catch the tomato?
*June 8, 2014*

**7th grade social studies help quick please**

yea go lame
*October 10, 2012*

**7th grade math help quick please**

ya you go to connections academy the only thing you have to do to answer these questions is study
*October 1, 2012*

**7th grade math **

I had this same question are you in connections academy
*October 1, 2012*

**Math**

why did the chicken add its opposite to itself
*August 1, 2012*

**Math**

Let f(x)=x+1 and g(x)= "squareroot" of x what are the domains of "f" and "g"
*May 30, 2012*

**physics**

two ends of a string in her hands and then moves her hands up and down so that a wave travels from one end of the string to the other end. In which case will she have a standing wave along the string?
*February 14, 2012*

**physics**

a 1.10 x 10 cubed kg car accelerates from rest for a time period of 5.0 sec. The magnitude of the acceleration is 4.60 m/s squared. determine the average power generated by the force that accelerates the vehicle
*November 16, 2010*

**4th grade algebra**

1 2 0 -7 -14 -21 -10 -5 -10 3
*November 16, 2010*

**math**

i have a gallon of paint that contains 35% solids and 65% water.if i add 5% 6.4 more ounces of water to it what will the solids content be.can you show to figure this out thank you
*March 31, 2010*

**ECONOMICS**

What will Happen in this Senerio? If someone deposits $15,000.00 into a Bank and the required reserves is 15% what will be the total increase in checking account deposits in the banking system and what will be the maximum loans available to the public?
*November 28, 2009*

**Calc**

How do I do this related rates problem? A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (...
*November 10, 2009*

**Programming**

There is a bug in the sortArray method: one particular kind of input will cause a runtime error. In the box provided below, edit sortArray so that it behaves properly on these inputs. public void sortArray () { int beginP = 0; int endP = myArray.length-1; while(beginP<endP...
*November 9, 2009*

**Calc**

How do I do this related rates problem? A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (...
*November 8, 2009*

**Calculus**

o yeah, sry, i was accidentally on my sister's thing when i asked first
*December 21, 2008*

**Calculus**

2y^3 - 3xy = 4 1) Find dy/dx 2) Write an equation for the line tangent to the curve at (1,2) 3) Find d^2y/dx^2 at (1,2)
*December 21, 2008*

**science**

what physical property do all the following have in common:glass,water,carbon dioxide,plastic wrap,air? mass density, specific heat, thermal conductivity, X-ray absorption, and many others
*December 30, 2006*

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