Which is an example of an exothermic process?

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

What is the measurement of how fast an object moves relative to a reference point?