Steve4Physics's latest activity
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SSteve4Physics replied to the thread Equilibrium Position of a Hanging Candy Cane.FWIW here's a (quite short) solution using the 2D rotation matrix – or rather just its first row for transforming the x-coordinate...
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SSteve4Physics replied to the thread An interesting GCSE question: Why are electric lamps connected in parallel in house wiring?.The lamps in my house all run on mains voltage! With the question as stated, the only reasonable answer is C. There are occasionally...
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SSteve4Physics reacted to kuruman's post in the thread Equilibrium Position of a Hanging Candy Cane with
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For the record, here is my solution. In the figure on the right the two black dots represent the centers of mass of the semicircle (top)... -
SSteve4Physics replied to the thread Equilibrium Position of a Hanging Candy Cane.You can check your expressions for ##x_1## and ##x_2##. Put ##\theta = 0## into the expressions – do you get the expected values? (BTW...
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SOh, I thought that was bra-ket notation <EX | T>
