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Given:Let wat orJet diameter d=75mm rho=1000Lg//m^(3)Jet watrer velocity V_(1)=30m//s water strikes a cup having velocity (u=8m//s) and deftected by 180^(@)m^(˙)_("strike ")=" S.A. "v_("rel. ")=rho.A*(V_(1)-4:}" ). (mass striking the cup.) "Assume. ' smooth cup. so{:[v_(r_(1))=v_(r_(2))quad" (velative velocity) "],[=>-(V_(1)-4)=v_(r_(2))]:}(a) Power extracted by series of cup{:[omega^(˙)=F*u.],[F=p^(˙)_(i)-P_(f)],[=m^(˙)_("strike ")(v_(r_(1)))-2xx((s^(˙)_("s ... See the full answer