1.

A car travels straight for 20 miles on a road that is 30° north of east. What is the east component of the car’s displacement to the nearest tenth of a mile?

Answer»

les.So BASICALLY when u draw u realise u have the hypotenuse as 20 and an ANGLE of 30 DEGREES. to get the horizontal component u simply TAKE cos30 =x/20so x = 20*cos30 which is 17.3 miles.hope this helps



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