Question

What is the magnitude of a vector whose x-component is 2units and whose angle is 60ᵒ?

Answer 1

√7 ≈ 2.65

Step-by-step explanation:

First find the y-component:

sin60 = y/x = y/2

y = 2sin60 = 1.7321

resultant vector R = √x²+y² = √2² + 1.7321² = √7 ≈ 2.65