A rock sinks straight down from the surface of a pond

Last updated: 6/15/2023

A rock sinks straight down from the surface of a pond starting from rest and accelerating at an average rate of 2 m s for the first 3 seconds of its motion At the 3 second mark the rock reaches its terminal speed and continues at that same speed for the remaining 30 meters of motion Which one of the following is closest to the total time it takes for the rock to sink from the surface to the bottom of the lake Elimination Tool Select one answer A B C D 5 0 seconds 6 2 seconds 8 0 seconds 8 5 seconds