Two vector quantities,whose directions can be altered at will,can have a resultant of any magnitude between the limits 0 and 200.The magnitude of each vector quantity must therefore be
A)between 0 and 80.
B)between 120 and 200.
C)less than 100.
D)exactly 100.
E)more than 100.

Question

Quizplus · Accepted Answer

The magnitude of each vector must be exactly 100 to achieve a resultant vector of any magnitude between 0 (when the vectors are in opposite directions and cancel each other out) and 200 (when the vectors are in the same direction and add up).

Two Vector Quantities,whose Directions Can Be Altered at Will,can Have