Recent content by DarkWing

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    Sign and Magnitude (Hexadecimal and 8-bit

    After more research it appears that if the leading digit is 0-7 the number is positive, but if it is 8-F the number is negative. Is this correct?
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    Sign and Magnitude (Hexadecimal and 8-bit

    First off sorry, but I did away with the automatic formatting. For a homework assignment I need to do a few problems which involved adding and subtracting hexadecimal and 8-bit numbers being added and subtracted. I've done the problems that involve the unsigned numbers fine, but I'm confused...
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    Tunnel through the center of the earth

    Hello, hopefully some of you physics people can help me out here, because I'm pretty clueless. I've seen this asked before, but I couldn't relate that to my specific problem. Part I: A tunnel is dug through the center of the earth, and an object of mass m is dropped through the tunnel. Show...
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