Asked by freddy
What are the x and y components of a velocity vector of magnitude 1.00 x 10^2 km/h and direction of 240?
Answers
Answered by
drwls
If the 240 is degrees clockwise from north,
x = 100 sin 240 = -100 sin 60 = -86.6
y = 100 cos 240 = -100 cos 60 = -50.0
The +x axis is East(angle 90) and the -y axis (angle zero) is North. South (-y) is angle 180. Angle 240 is 60 degrees west of South.
x = 100 sin 240 = -100 sin 60 = -86.6
y = 100 cos 240 = -100 cos 60 = -50.0
The +x axis is East(angle 90) and the -y axis (angle zero) is North. South (-y) is angle 180. Angle 240 is 60 degrees west of South.
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