Two vectors, of magnitudes 20 mm and 50 mm, are added together. Which one of the following is a possible value for the magnitude of the resultant?
A) 10 mm
B) 40 mm
C) 20 mm
D) 80 mm

Question

Quizplus · Accepted Answer

The magnitude of the resultant vector can range from the difference to the sum of the magnitudes of the two vectors, i.e., from 30 mm (50 mm - 20 mm) to 70 mm (50 mm + 20 mm). Therefore, 40 mm is a possible value.

Two Vectors, of Magnitudes 20 Mm and 50 Mm, Are