Previous Problem Problem List Book Problem 43 Next Problem If a ball is thrown vertically upward from the roof of 64 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t) = 64+80t - 16t² a) What is the maximum height the ball reaches? b) What is the velocity of the ball when it hits the ground (height 0)? Note: You can earn partial credit on this problem.

Previous Problem Problem List Book Problem 43 Next Problem If a ball is thrown vertically upward from the roof of 64 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t) = 64+80t - 16t² a) What is the maximum height the ball reaches? b) What is the velocity of the ball when it hits the ground (height 0)? Note: You can earn partial credit on this problem.