Agirl runs 20.9 m/s east for 13.7s. how far does she go?

What is the final velocity of the initial velocity of 25 and -50?

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

Which system of units is used by only a small number of countries in the world, including the u.s.