A ball is thrown upward in such a way that t seconds later it is $H ( t ) = - 11 t ^ { 2 } + 44 t + 55$ feet above the ground. When does the ball hit the ground?

Name: A ball is thrown upward in such a way that t seconds later it is $H ( t ) = - 11 t ^ { 2 } + 44 t + 55$ feet above the ground. When does the ball hit the ground?
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The Answer of A ball is thrown upward in such a way that t seconds later it is $H ( t ) = - 11 t ^ { 2 } + 44 t + 55$ feet above the ground. When does the ball hit the ground?

A Ball Is Thrown Upward in Such a Way That H(t)=−11t2+44t+55H ( t ) = - 11 t ^ { 2 } + 44 t + 55H(t)=−11t2+44t+55

A Ball Is Thrown Upward in Such a Way That $H ( t ) = - 11 t ^ { 2 } + 44 t + 55$