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heenaBest ResponseYou've already chosen the best response.0
five identical springs are used in the following threee configurations. the timeperiod of vertical oscillation in config. a) b) c) are in ratio?? dw:1328977775731:dw
 2 years ago

heenaBest ResponseYou've already chosen the best response.0
dont tell the ratio thats the condition ok just tell me how can i solve
 2 years ago

pruthvi_reddyBest ResponseYou've already chosen the best response.0
K eff for b is K+K/K^2 and for c its just K+K evaluate the rest
 2 years ago

heenaBest ResponseYou've already chosen the best response.0
if x is same means they are arranged in parallel na??
 2 years ago

heenaBest ResponseYou've already chosen the best response.0
thats the trick to find out i guess
 2 years ago

shankvee\Best ResponseYou've already chosen the best response.0
In a) If you stretch the mass by x then the spring extends by x, hence F=kx. b) Suppose you stretch by x , the first spring would expand by x1 and the second spring would extend by x2, then x1+x2=x F/k1 + F/k2=F/k. 1/k=1/k1+ 1/k2. c) Again say x is extension then both springs exapnd by x hence F=k1xk2x or k=k1+k2.
 2 years ago

heenaBest ResponseYou've already chosen the best response.0
unable to get u as here some springs are attached in paralel ans some are in series rit and i agree wid ur pont den i m not get how u done the b) ??
 2 years ago

shankvee\Best ResponseYou've already chosen the best response.0
I'll take a general case of b) where the two spring constants are not equal, then if the mass moves by x, obviously both springs move down by some different amounts x1 and x2, but we can say x1+x2=x, as the net extension is still x. and x1=F/k1. This would be series. c) is parallel.
 2 years ago

amitlpu91Best ResponseYou've already chosen the best response.1
dw:1328372813777:dw
 2 years ago

amitlpu91Best ResponseYou've already chosen the best response.1
so now total exerting force by all this spring & then find out the ratio
 2 years ago

heenaBest ResponseYou've already chosen the best response.0
http://openstudy.com/study#/updates/4f2d5e82e4b0571e9cba68d1
 2 years ago
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