Work Energy Theorem Example Problem (6:11)
A 5.0 kg mass experiences a net force causing the object to go from an initial velocity of 4.0 i - 3.0 j m/s to a final velocity of 2.0 i + 6.0 j m/s. What is the net work acting on the mass during this event? This is an AP Physics C: Mechanics topic.
0:00 Translating the Problem
1:28 Work Energy Theorem
3:08 Squaring Unit Vectors
4:50 Common Mistake