21 A projectile is launched from a platform 6 feet high with

Last updated: 7/12/2023

21 A projectile is launched from a platform 6 feet high with an initial velocity of 80 feet per second The heighth of the projectile at t seconds after launch is given by h 16t 80t 6 feet a How many seconds after launch does the projectile attain maximum height Show work b What is the maximum height Show work