Question

a hall has the dimensions 10m*12m*40m. a fly starting at one corner ends up at a diametrically opposite corner. what is the magnitude of it's displacement? #vectorquestion

Answer 1

Let Length, breadth and height be x, y and z axis.

Initially it as origin
x = y = z = 0

Later it is at (10i + 12j + 40k) m

Displacement = 0 - (10i + 12j + 40k)

Magnitude of displacement
= sqrt(10^2 + 12^2 + 40^2)
= 42.94 m