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December 8, 2013

# Posts by Jose

Total # Posts: 330

physics
In the figure , the total resistance is 10.0 kOmega, and the battery's emf is 28.0 V. If the time constant is measured to be 40.0 mu s. Calculate the total capacitance of the circuit.Calculate the time it takes for the voltage across the resistor to reach 15.0 V after the ...

Chemistry
How many grams of MgCl2 are required to make 350mL of a 0.56M solution of MgCl2?

vareiables
can you help me because i need a good science fair project

Algebra
Evaluate the exprestion: 2(3x+1)/-4 for each value of "x". A.x=9 B.x=2 C.x=-1 D.x=14

true or false. genes are a small section of dna on hromosomes tha have information about a trait.

math
y=-2x+1

physics
A 5.75 µC and a -2.61 µC charge are placed 19.8 cm apart. Where can a third charge be placed so that it experiences no net force?

physics
two point charges have a total charge of 277 µC. When placed 2.00 m apart, the force each exerts on the other is 20.8 N and is repulsive. what are the charges on both?

physics
What is the magnitude of the force a +23 µC charge exerts on a +3.5 mC charge 49 cm away?

statistics
A researcher wants to determine if two brands of cigarettes contain the same amount of nicotine. The data is shown in the table. With a significance level of 0.05 to that conclusion can be reached. Set the interval for a confidence of 95% Sample A: 40.3 37.5 37 41.7 29.8 33.5 ...

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