A model rocket is launched with an initial upward velocity of 50 m/s. The rocket's height & (in meters) after seconds is given by the following. h=50t5 Find all values of for which the rocket's height is 20 meters. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.) // \"//} r= I:Dseconds / / h ground