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Category: Mechanics

Question-136382

Question Number 136382 by ajfour last updated on 21/Mar/21 Commented by ajfour last updated on 21/Mar/21 $${On}\:{a}\:{rough}\:{horizontal},\:{is}\:{placed} \\ $$$${a}\:{fixed}\:{V}\:{rail}\:{with}\:\angle=\alpha. \\ $$$${A}\:{solid}\:{double}\:{cone}\:{object}\:{of} \\ $$$${radius}\:{a}\:{and}\:{length}\:\mathrm{2}{b}\:{is} \\ $$$${now}\:{placed}\:{symmetricaly}\:{over}…

Question-70831

Question Number 70831 by ajfour last updated on 08/Oct/19 Commented by ajfour last updated on 08/Oct/19 $${Stick}\:{of}\:{mass}\:{m},\:{length}\:{b}\:{is} \\ $$$${released}\:{as}\:{shown}.\:{As}\:{it}\:{slides} \\ $$$${down}\:{and}\:{breaks}\:{contact}\:{with} \\ $$$${hemisphere},\:{the}\:{top}\:{end}\:{is}\:{at} \\ $$$${angular}\:{position}\:\beta.\:{Assume}…