Recent content by _buddha

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    How do computers store neg binary numbers?

    Homework Statement Which of the following numbers will be stored in an 8-bit computer as 11000001? This computer uses the 2's compliment convention. a)-64 b)-63 c)63 d)64 Homework Equations 1's and 2's compliment The Attempt at a Solution The answer is -63 and after trial...
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    Conservation of linear momentum collision

    Homework Statement A 2.0 kg object moving along the x-axis at 3.0 m/s strikes a 1.0 kg object initially at rest. Immediately after the collision, the 2.0 kg object has a velocity of 1.5 m/s directed 30 degree from its initial direction of motion. What is the x-component of the veolcity of the...
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    Angular Acceleration Conceptual Question

    Homework Statement A wheel starts from rest and spins with a constant angular acceleration. As time goes on the accerlation vector for a point on the rim: a) decreases in magnitude and becomes more nearly tangent to the rim b) decreases in magnitude and becomes more nearly radial c)...
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    Conservation of energy for a system

    ooh ok, makes sense! ty
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    Conservation of energy for a system

    thanks for the help, actually that guy isn't me LOL. anyways i understand what youre saying, however i don't get why fkd should be on the left side? What i have now is U1 + U2 = K + U2 + fkd. The U2's cancel out...and the left hand side is my initial Emech(both U1 and U2 prior to the drop)...
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    Conservation of energy for a system

    Hello everyone I am stuck on this question, hopefully someone can help me out, here is the question: 2kg block is sitting on surface while 3kg block is hanging. So far this is what I am thinking, the 2 blocks acts as a system, initially the block is 1.5m high, so mgy gives me the...
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