Calculate and draw to scale. Mary crawls 5m north, then crawls 8m west, then crawls 12m...

Question

Question

Calculate and draw to scale. Mary crawls 5m north, then crawls 8m west, then crawls 12m east. Draw the resultant displacement of Mary.

science physics

Answer 1

Answer #1

20+ north 15 10+ В. IA о west east theta O -20 - 15 - 10 -5 UT 10 15 20 -5 10 15 south 20

Mary goes from O to A and then A to B and then B to C.

so resultant dsiplacement is OC

now OC = sq. root of (4^2+5^2) = 6.40 m

now tan theta = 5/4 so theta = 51.34 degress

so resultant dsiplacement is 6.40 m, 51.3 degrees north of east

Answer 2

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