A car travels 20 km West, then 20 km South. What is the magnitude of its displacement?
A. 0 km
B. 20 km
C. 28 km
D. 40 km
Answer:C
A car travels 20 km West, then 20 km South. What is the magnitude of its displacement?
A. 0 km B. 20 km C. 28 km D. 40 km