After the iphone reaches the ground, the iphone continues to move downwards, embedding itself20.0 cm deep in the muddy ground before finally coming to rest. Assume that, while moving 20.0 cm down into the mud, the iphone slowed down at an approximately steady rate. (Beware of units!) 18. Which of the following diagrams correctly describes the iphone's motion while embedding itself into the ground?

Fig: 1

Fig: 2

Fig: 3