1. The problem statement, all variables and given/known data A car P travles along a straight road with a constant speed v = 65mi/hr. At the instant when the angle theta = 60 degrees, determine the values of r (with dot above) in ft/sec and theta (with dot above) in deg/sec. (r = 100ft) The picture has a car on highway and radius pointing diagonally from the origin which is on the field in "/" like this. 2. Relevant equations Vr = r (with dot above) Vtheta = r*theta(with dot above) v = sqrt(((Vr)^2)+((Vtheta)^2)) 3. The attempt at a solution Vr = v cos theta and found Vr without a problem. I tried to plug in v = 65mi/hr (converted to ft/sec) into 3rd eqn with Vr in order to find Vtheta. After that I substitude it into 2nd eqn since I know the radius. I got the theta value and converted to deg/sec from rad/sec but I am not getting answer. What mistake have I made? :( Thank you.