Vector Problem 1) Steve is flying a plane due north at 225 km/hr. A wind is blowing him east at 55
km/hour. Find the magnitude and direction of the planes resultant velocity.

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.