Let's choose east as positive x-direction and south as positive y-direction. We can resolve the two displacement along these two axes:
- Displacement 1 (3.5 km,
south of west


- Displacement 2 (2.7 km,
east of south


So, the total components on the two directions are


And the magnitude of the hiker's resultant displacement is

Astronomers use the color of stars to determine how hot they are and their brightness to estimate how far away they are. <em>(D)</em>
It typically take longer for a heavier object to slow down therefor, a train will take more time. <span />
<span>Potassium carbonate (K2C03) is white salt and is often </span>found damp. It is soluble in water which makes a strong concoction. Hope this helps.