The problem that follow involve straight-line motion. The time t is in seconds unless othe...

The problem that follow involve straight-line motion. The time t is in seconds unless otherwise stated.

Problem

A steel ball is released from rest in a container of oil. Its downward acceleration is a = 2.4 – 0.6v in/s2, where v is the ball’s velocity in in/s. What is the ball's downward velocity 2 s after it is released?