Recent content by natural

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    How Can I Prove That B^3 Equals 7B Minus 6I Using Matrix B?

    Thanks a lot cloudyhill that helps greatly!
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    How Can I Prove That B^3 Equals 7B Minus 6I Using Matrix B?

    and how will that help me i get x+3 :|
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    How Can I Prove That B^3 Equals 7B Minus 6I Using Matrix B?

    yes i agree but we can't do it that we we have to use the quadratic equation to prove that B^3 = 7B-6I
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    How Can I Prove That B^3 Equals 7B Minus 6I Using Matrix B?

    Homework Statement Show that the matrix B= 4 -2 -2 1 1 -1 2 -2 0 satisfies the quadratic equation B^2-3B+2I=0 Hence show that B^3=7B-6I The Attempt at a Solution Now i have already worked out the quadratic...
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    How Can an Op-Amp Comparator Circuit Monitor Soil Moisture Levels?

    A botanical laboratory requires an op.amp. alarm circuit which will indicate when the soil in a plant pot is not moist enough. With the assistance of the in information below design such a circuit remembering to include suitable values for any resistors used. when two copper probe wires are...
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    Calculating Current in Circuits With o.3μF Capacitor and 40Ω Resistor

    A o.3micro farad capacitor is connected across a 15V, variable frequency ac power supply. Find the current in the circuit when the frequency is a) 100herts (b) 100kilohertz c) solve this question if thee 0.3 microfarad capacitor is replaced by a 40 ohm resistor. My solution I = wCV a)...
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    Sub-units micro-farad and pico-farad

    increase by 4?
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    Sub-units micro-farad and pico-farad

    ooh ok U doubles
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    Sub-units micro-farad and pico-farad

    V = Q/C ? i don't really undersatnd the question
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    Sub-units micro-farad and pico-farad

    1. Homework Statement [/b] If the p.d across a capacitor is doubled, by what factor does the ehnergy stored change? Define the farad, the unit of capacitance. Explain the commonly used sub-units micro-farad and pico-farad.
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    Who are the Scientists Behind Liver Research and Development?

    Im at college and I am in first year doing biology as a major. The tutor gave us a project on the homeostatic fuctions of the liver and asked us to put a literature review stating people who have done work and resarch with the liver, historical information. Time frame is from now till...
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    Who are the Scientists Behind Liver Research and Development?

    Its the homeostatic functions of the liver.
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    Who are the Scientists Behind Liver Research and Development?

    Homework Statement I need information on people who did research on the liver and aided in its development. Thanks in advance to anyone who might be able to assist me.
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    Draw a circuit sketch og the two circuit arrangements

    Circuit ...LOSt :confused: Homework Statement A sandard cell or 1080V gives a balance length of 512 mm on a potentiometer. If the p.d across a standard 10.0 (ohm) resistor in a circuir gives a balance length of 784 mm, calculate the current in the circuit with the 10.0 (ohm) resistor. Draw...
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    How Do You Calculate EMF and Internal Resistance in a DC Circuit?

    ***TYPO****-*********Relavant Equation should be E = IR + Ir*******