Recent content by castaway

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    High School Solve the Brain Teaser: 40 Heads, 100 Legs - How Many Kids and Dogs?

    mathematically speaking , another answer is not possible , may be some trick is involved
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    High School Solve the Mystery of Brown's Cheque: Absent-Minded Clerk

    well yes , i guess i was missing this clue that cents can't exceed 100 , i was taking 2 variables x and y and then i was getting a diophoantine equation , well which has infinite solution , thank you , i was really curious, i got the answer now
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    Undergrad Does Newton's Third Law Hold in the Presence of Gravitational Fields?

    then the 3rd movie won't have won so many oscars lol
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    Good book abaut classical mechanics?

    i guess Classical Mechanics by Prof Klepner will be great. well i am new too and i looking forward to this forum.
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    High School Solve the Mystery of Brown's Cheque: Absent-Minded Clerk

    An absent minded clerk switched the dollars and cents when he cashed a cheque for Mr Brown , giving him dollars instead of cents, and cents instead of dollars. After buying a five cent newspaper,Brown discovered that he left excatly twice as much as his original cheque. What...
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    Who is/are your favourite physicist(s) and why?

    well nobody likes indian physicst? C.V.Raman !
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    How Do You Name a Nonane with an Isopropyl and Methyl Branch?

    well i guess the answer would be 4 -(2,3 di methyl) butyl nonane
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    High School Does Ice Melt at 0 Degrees Celsius?

    oops i didnt read that pressure will be constant , sorry... well ice will start melting atzero degree celsius
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    Undergrad Radius of Cut Disc Changes When Heated

    well i reckon it will be in same proportion as it is the same material and the coefficient of arieal expansion will be same.though thank you for your answer.
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    Undergrad Radius of Cut Disc Changes When Heated

    Well my question is that we have a disc which has negligible thickness , now we cut a small circular disc at the center of the original disc. well now we heat the whole newly obtained body. what will happen to the radius of the disc we had cut?i mean to say the hole , what will happen to the...
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    Inclined plane car out of gas problem

    how can you be sure that the acceleration or retardation here is constant?
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    High School How Can I Put Out a Fire in My Electrical Panel?

    Well , what is the way to fight the fire caused by electric shock circuit?
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    High School How Can I Put Out a Fire in My Electrical Panel?

    Fire is a chemical reaction which creates a burst of heat and light. This is called ignition point, and what we see is a flame. When heat changes the state or shape of an objects, we call this combustion. There are three main elements which are required to ignite a flame. Without any of these...
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    High School Really n00bish beginners' question about motion

    well the reaction and action force act on two different bodies .when you are talking about net force you are only considering one body , but yes if you consider both bodies together the net result might be zero