A ball is thrown straight up from the ground level, with an initial velocity of 24.5 m/s. How high is the ball thrown? Assume the acceleration due to gravity is 9.8 m/s2. (Use decimal notation. Give your answer to one decimal place.) 24.5 high of the ball thrown: m Incorrect How long will it take the ball to return to the ground level? (Give your answer as a whole or exact number.) 4 time to take the ball to return to the ground level: S Incorrect