Question Number 59301 by ajfour last updated on 07/May/19 Commented by ajfour last updated on 07/May/19 $$\mathrm{If}\:\mathrm{deceleration}\:\mathrm{of}\:\mathrm{bullet}\:\mathrm{through} \\ $$$$\:\mathrm{wall}\:\mathrm{be}\:\alpha,\:\mathrm{find}\:\mathrm{y}\left(<\mathrm{h}\right)\:\mathrm{for}\:\mathrm{maximum}\:\mathrm{x}. \\ $$$$… \\ $$ Commented by…
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Question Number 59152 by Forkum Michael Choungong last updated on 05/May/19 Commented by Forkum Michael Choungong last updated on 05/May/19 $${In}\:{the}\:{figure}\:\mathrm{1}\:{above}\:{a}\:{craw}\:{bar},{ABC}, \\ $$$${is}\:{shown}\:{being}\:{used}\:{to}\:{dig}\:{and}\:{lift} \\ $$$${a}\:{heavy}\:{stone}\:{from}\:{the}\:{ground}.…
Question Number 59104 by Forkum Michael Choungong last updated on 04/May/19 $${i}\:{want}\:{of}\:{ask}\:{in}\:{mechanics}\:{is}\:{this} \\ $$$${possible}?? \\ $$$$ \\ $$$${power}=\frac{{work}\:{done}}{{time}\:{taken}} \\ $$$${if}\:{power}\:=\:{p}_{{w}} \:,\:{Work}=\:{W}_{{d}} ,\:{and}\:{time}={t} \\ $$$$\Rightarrow\:{p}_{{w}} =\:\frac{{W}_{{d}}…
Question Number 124494 by mr W last updated on 03/Dec/20 Commented by mr W last updated on 03/Dec/20 $${an}\:{unanswered}\:{old}\:{question} \\ $$ Terms of Service Privacy…
Question Number 58668 by ajfour last updated on 27/Apr/19 Commented by ajfour last updated on 27/Apr/19 $$\mathrm{If}\:\mathrm{Cars}\:\mathrm{Blue}\:\mathrm{and}\:\mathrm{Pink}\:\mathrm{start}\:\mathrm{off}\:\mathrm{at}\:\mathrm{A} \\ $$$$\mathrm{only}\:\mathrm{to}\:\mathrm{meet}\:\mathrm{again}\:\mathrm{in}\:\mathrm{the}\:\mathrm{closed}\: \\ $$$$\mathrm{path}\:\mathrm{ABC}\:\mathrm{both}\:\mathrm{at}\:\mathrm{zero}\:\mathrm{speed} \\ $$$$\mathrm{simultaneously}.\:\mathrm{Knowing}\:\mathrm{that}\:\mathrm{at} \\ $$$$\mathrm{the}\:\mathrm{corners}\:\mathrm{the}\:\mathrm{speed}\leqslant\mathrm{10km}/\mathrm{h}…
Question Number 124156 by ajfour last updated on 01/Dec/20 Commented by ajfour last updated on 08/Dec/20 $${Find}\:\frac{{b}}{{R}}\:\:{such}\:{that}\:{in}\:{an}\:{elastic} \\ $$$${collision},\:{between}\:{solid}\:{hemisphere} \\ $$$${and}\:{a}\:{small}\:{sized}\:{ball}\:{dropped} \\ $$$${onto}\:{it},\:{the}\:{hemisphere}\:{receives} \\ $$$${maximum}\:{horizontal}\:{speed}.…
Question Number 58257 by ajfour last updated on 20/Apr/19 Commented by ajfour last updated on 20/Apr/19 $$\mathrm{Find}\:{equilibrium}\:{angles}\:\alpha\:\mathrm{and}\:\beta\:\mathrm{if} \\ $$$$\mathrm{the}\:\mathrm{hemisphere}\:\mathrm{is}\:\mathrm{fixed}\:\mathrm{and}\: \\ $$$$\mathrm{frictionless}\:\mathrm{and}\:\mathrm{string}\:\mathrm{has}\:\mathrm{length}\:{l}. \\ $$ Answered by…
Question Number 189205 by ajfour last updated on 13/Mar/23 Commented by ajfour last updated on 13/Mar/23 $${Consider}\:{hanging}\:{man}\:{pulls}\:{at}\:{the} \\ $$$${rope}\:{with}\:{a}\:{force}\:{equal}\:{to}\:{his}\:{own}\: \\ $$$${weight}.\:{Hence}\:{as}\:{shown}. \\ $$ Commented by…
Question Number 123616 by aurpeyz last updated on 26/Nov/20 Answered by TANMAY PANACEA last updated on 26/Nov/20 $${d}\overset{\rightarrow} {{F}}={id}\overset{\rightarrow} {{l}}×\overset{\rightarrow} {{B}} \\ $$$${dF}={idlBsin}\theta\:\:\:{i}={current} \\ $$$${dl}={length}\:{of}\:{wire}…