Stu wanted to calculate the resistance of a light bulb connected to a 4.0 V battery, with a resulting current of 0.5 A. He used the formula R = VI and obtained an answer of 2 Ω. Was Stu’s answer correct? How do you know?

Ineed the answers for these promblems i have

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

What property of an object determines its inertia?