ms. jones brought this rock to her science class and instructed her students to explain how it was formed. which explanation is a true description of the rock?

I think its the last one

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

that would be because of both gravity and friction. so     c