Nthe first day of class, demetris panics when she realizes that she has not purchased a course textbook yet. but upon reviewing her course materials, demetris breathes a sigh of relief when she realizes that her textbook is included in her course materials and is available on an e-reading platform known as

This e-reading platform is simply called an e-reader. There are numerous applications available for free such as, Aldiko, eReader Prestigio and many more. This is a very convenient platform because instead of the actual copy of the book, you can save it in your reader in epub or pdf file. Then, you can open it anyime or even search keywords easily.

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