The equation for a projectile's height versus time is h(t)=-16t^2+Vot+ho A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? Round to the nearest hundredth.

Question

The equation for a projectile's height versus time is  h(t)=-16t^2+Vot+ho  A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? Round to the nearest hundredth.

anonymous · Answer

What are we given in the problem? We are given that our initial height, ho, is equal to 2; alose, we are given the initial velocity, Vo, which is equal to 110 ft/s.

anonymous · Answer

We plug these into the equation, and find the vertex.

anonymous · Answer

Thank you!