What does circumnavigate mean​

sail or travel all the way around (something, especially the world).

"he undertook to circumnavigate the globe in 80 days or less"

go around or avoid (an obstacle).

"he helped her to circumnavigate a frozen puddle"

avoid dealing with (something difficult or unpleasant).

"they circumnavigated the issue"

Explanation:

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds