Monday

April 21, 2014

April 21, 2014

Total # Posts: 8

**physics**

In one type of mass spectrometer, ions having the same velocity move through a uniform magnetic field. The spectrometer is being used to distinguish 12C+ and 14C+ ions that have the same charge. The 12C+ ions move in a circle of diameter 25 cm. (a) What is the diameter of the ...

**physics**

A 2.6x10^3 kg elevator carries a maximum load of 888.1 kg. A constant frictional force of 4.9x10^3 N retards the elevator's motion upward. The acceleration of gravity is 9.81 m.s^2. What minimum power must the motor deliver to lift the fully loaded elevator at a constant s...

**math**

a) Identify the base in the following statement b) Solve for the amount. What is 81% of 285

**MATH**

483to518

**probability**

P C 5 3 6 4 This the best I can reproduce it, but P and C have a black dot in between which means they are multiplied by each other.

**math - probability**

An astronomer wishes to measure on a photograph the distance between the image of a certain star and three other star images nearby. If eight images are nearby, how many choices of the three stars does he have?

**Math**

8(x+4)^2= -9

**Science**

What is eubacteria's enrgy source? Source? It is simple sugars. ,kj

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