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$$h(t)=-4.9 t^{2}+9.8 t+39.2$$$\newline$Kaia throws a stone vertically upward from a bridge. The height, in meters, of the stone above the water $t$ seconds after the throw can be modeled by the quadratic function given. How many seconds after the throw does the stone hit the water?$\newline$Choose $1$ answer:$\newline$(A) $1$$\newline$(B) $2$$\newline$(C) $4$$\newline$(D) $8$