Question
Acar travels 3km dueto east,italso 2km dueto north.The resultant is?
Answers
Anonymous
x = 3
y = 2
in vector notation V = 3 i + 2 j
in magnitude and angle
R^2 = 3^2 + 2^2 = 9 + 2 = 11
so R = sqrt 11 or about 3.31662479 km
tan of angle north of east = 2/3
so angle north of east = about 37.43340836 degrees
y = 2
in vector notation V = 3 i + 2 j
in magnitude and angle
R^2 = 3^2 + 2^2 = 9 + 2 = 11
so R = sqrt 11 or about 3.31662479 km
tan of angle north of east = 2/3
so angle north of east = about 37.43340836 degrees