JAMB - Physics (1981 - No. 19)
An aircraft travelled from calabar to kano as follows: it flew first to ilorin convering a distance of 300km, 30o west of North, and then flew 400km, 60o East of North to kano. What is the resultant displacement?
567km
410km
594km
500km
600km
Giải thích
R2 = 3002 + 4002
R2 = 90000 + 160000
R = \(\sqrt{250000}\)
= 500km
R2 = 90000 + 160000
R = \(\sqrt{250000}\)
= 500km