17. What was the purpose of the solar calendar escated by Wan-Niem?

A solar calendar is a calendar whose dates indicate the season or almost equivalently the apparent position of the Sun relative to the stars.

Explanation:

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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

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.