Mark knows his relationship with his partner will soon end. he is now talking with friends and family, telling them his side of the story, and garnering support. mark is in the of the dissolution of his relationship.

Social phase

Explanation:

The social phase is occur-ed when a couple puts their privacy in front of others such as family friends and other relationships. When a couple makes their distress public-ally and starts to blame each other. This is called the social phase.

The social phase like the breakdown of the relationship in front of others. It is very difficult for a couple to make their relationship safe when it reaches the heights of controversies. When they start to discuss with other people like friends, family, they start to intervene in them, favor one-sided and give advice that destroyed their relationship.

The social phase is the phase where the relationship starts dissolution. The same things happened with Mark and his life partner. They both were in a social phase where they almost end their relationship.  

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