Displacement = 1000i +1000i + 200[225o] = 1000i + 200*Cos225 + 200*sin225 =
1000i - 141.4 - 141.4i = -141.4 + 858.6i
= 870m[99.4o]CCW = 80.6o N. of W.
V = D/t = 870m[99.4o]/960s = 0.91 m/s.
a girl walks 1km north in 15min.then walks 200m south west in 60sec.what is her average velocity?
2 answers
assignmet
2 answers