Answer Happy

René Descartes (159-1650) cm cm mathematician and philosopher, was born in France. He founded analytic or coordinate geometry, often called Cartesian geometry, and made major contributions in motion and optics cm cm cm PROBLEMS 3.1 Using the scale 1.0 cm = 50 km, find the length of the vector that represents each displacement. 1. Displacement 100 km east 2. Displacement 125 km south length 3. Displacement 140 km at 45° east of south length 4. Displacement 260 km at 30° south of west length 5. Displacement 315 km at 65° north of east length 6. Displacement 187 km at 17° north of west length 7-12. length Draw the vectors in Problems 1 through 6 using the scale indicated. Using the scale in. = 27 mi, find the length of the vector that represents each displacement 13. Displacement 100 mi west length 14. Displacement 170 mi north length 15. in. Displacement 217 mi at 45° south of west length 16. in. Displacement 145 mi at 60° north of east length length in. 17. Displacement 75 mi at 25° west of north length in. 18. Displacement 160 mi at 72° west of south 19-24. Draw the vectors in Problems 13 through 18 using the scale indicated. cm - in. in.