Vector A⃗ is in the direction 34.0 ∘ clockwise from the -y-axis. The x-component of A⃗ is Ax = -16.0 m .

What is the y-component of A⃗ ?

What is the magnitude of A⃗ ?

1 answer

as always,
x = r cosθ -- use this to find r.
y = r sinθ

|A| = √(x^2+y^2) = r