Recent content by bmcgann

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    Calculating Heat Transfer in a Brick Wall: Homework Question Explained

    Homework Statement Consider a brick wall, 4.0 m high, 6.0 m wide and 300 mm thick, where the thermal conductivity of the brick is 0.8 W.m-1.K-1. During a particular one-hour period, the temperatures of the inner and outer surfaces were measured to be T1 14oC and T2 6oC respectively. The...
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    Can Every Object Be Split Into 3 Equal Parts?

    Sorry for the very vague title but my brother and I had a long chat the other day and we could not come to a conclusion. Our question was, can every object be split into 3 equal parts? Scenario 1: If you split a 60cm ruler into 3 20cm parts you would say that yes the object is in 3...
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    Is There a Connection Between the Seconds Pendulum and Gravity on Earth?

    So while i was doing some homework i noticed that when you square pie you end up with 9.869 which is very close to the gravity on earth. Just wondering if there is any relationship between the two, i don't see how there can be but it is a bit strange, is it coincidence?
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