Question and Answer - SHM and Periodic

? Find whether y=sintwo is SHM or not / periodic or not Displacement:- x ACOS (wt+)) or y= = Asin (wt +)) V= ax dz V= a (Acosduct +)) at V=-A xwsin (wttd) or V = -AW -cos" (wet + 0 v=-w A2(1- (052(wt+0) V=w/A2 A2 COS (wt + ) V=-WVAR Extreme position X = A V=-w VALA' Va-wxo =0 moon position xc=0

V=-w VAL-O V= - WVA = - WA O x=0 x=A v=max v=min sin'o + cos'0=1 sin't =1- cost Since = 1- 10520 sin (wt($) = Acceperation :- a= av at a= a (-Awsin(Cob 10)) at a=-Aw a (sin (wt+()) at a= - -Aw2 (cos2 wt t ) ) a = - wex mean position:- x=0 a=o Extreme position:- x =A a=-w2A