You are standing 18.0 meters away from a building, which is 15.0 meters tall and has a large, flat roof. You throw a baseball with an initial speed of 22.5 meters per second, at an angle of 55.0 degrees above the horizontal. When the baseball leaves your hand, it is 1.5 meters above the ground. The baseball lands on the roof of the building. (a) How long is the baseball in the air before landing on the roof (in seconds)?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
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You are standing 18.0 meters away from a building, which is 15.0 meters tall and has a large,
flat roof. You throw a baseball with an initial speed of 22.5 meters per second, at an angle of
55.0 degrees above the horizontal. When the baseball leaves your hand, it is 1.5 meters above
the ground. The baseball lands on the roof of the building.
(a) How long is the baseball in the air before landing on the roof (in seconds)? 

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