Recent content by <sHoRtFuSe>

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    Find Natural Response of RLC Circuit: No Forcing Voltage?

    To find the natural response of a RLC circuit driven by a time-varying voltage, why do we assume that there's no forcing voltage driving the circuit even if there is one?
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    Angle as Vector: Vector Addition Property Explained

    If the physical quantity angle doesn't follow the vector addition property (only infinitesimal angles follow this), why is it even considered to be a vector? Because i thought electrical current isn't considered to be a vector because it doesn't follow this rule. Why isn't it enough to rule out...
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    Probability of Getting 4 Tails in 10 Flips

    Okay i should have multiplied by 10!/4!6!
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    Probability of Getting 4 Tails in 10 Flips

    Let p=Probability of getting Heads=0.5 q=Probability of getting Tails=0.5 assuming all flips are independent, probability of getting 4 heads=p*p*p*p*q*q*q*q*q*q you are doing the mistake of assuming getting 1, 2, 3 ...heads(or tails) is equally likely. They clearly aren't. This is a...
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    Hard probability problem (1973 British Math Olympiad #6)

    Let, E1:Student answers correctly. E2:Teacher answers correctly. E3:Student is a boy. **Not assuming any of these events are independent** P(E2)=A...(a) P(E1/E3)=B ∴P(E1∩E3)/P(E3)=B ∴P(E1∩E3)=B×P(E3)...(b) Also, P(E1/E3bar)=G [E3bar is negation of E3] ∴{P(E1)-P(E1∩E3)}/1-P(E3)=G substituting...
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    Arc Length: Definite and Indefinite Integration

    It is implied that the LHS has lower and upper limit as 0 and l respectively.
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    Making sense of the units of entropy: J/K

    Entropy is the measure of randomness right? Heat is a form of energy that kind of shows how random a system is. Hence there is the SI unit of heat in the numerator as more of it icreases randomness. As for the K in the denominator, for a particular system and a given amount of heat, entropy...
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    Anyone ever wondered is there a least Velocity, acceration?

    Yeah i think this is the reason for zero-point energy. Each particle will have that minimum energy, and hence, a minimum velocity.
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