A person goes for a walk. They go 20 m north, 15 m west , and 10 m south in 45 seconds. a. what was their distance?
b. what was their displacement?
c. what was their speed?
d. what was their velocity?

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance