Question

two vectors of magnitude 15 units and 6 unit cannot produce a resultant of
a. 15 units
b. 8 units
c. 7 units
d. 21 units​

Answer 1

Answer:

we know that,

resultant=R=√(A^2+B^2+2ABcos theta)

Where A and B are the magnitudes of the vectors A and B and the angle between them is theta

Here A=15 and B=6

R=√(261+180cos theta)

As cos theta varies from -1 to +1,

Only option a. is possible.