A helicopter flies 250 km on a straight path in a direction 60° south of east. The east component of the helicopter's displacement is km.

Question

asked Feb 3, 2020 176k views

2 Answers

Koala Yeung · Answer 1 · 2020-02-07T05:59:06+0000

Answer:

The east component of the helicopter's displacement is 125 km.

Step-by-step explanation:

Given:

The magnitude of displacement is,
$S=250\ km$

The direction of displacement is 60° south of east.

The direction is shown in the figure below. From the figure, the horizontal component of the displacement vector is the east component.

Thus, the east component of displacement is given as:

$S_(x)=S\cos 60\°\\S_x=250* (1)/(2)=125\ km$

Hence, the east component of the helicopter's displacement is 125 km.