Projectile motion: The formula for the height, h metres, of an object propelled into the air is h = -1/2 gt^2 + Vot + ho where g represents the acceleration due to gravity, which is about 9.8 m/s&2 on the Earth, t seconds represents the time, Vo metres per second represents the initial velocity and ho metres is the initial height of the object. A projectile has an initial velocity of 34. 3 m/s and is launched 2.1 m above the ground.

Question

anonymous · Answer

a) What is the maximum height, in metres, reached by the projectile?
b) How many seconds after launch does the projectile reach its maximum height?