12–163. The car travels along the circular curve having a radius r = 400 ft. At the instant shown, its angular rate of rotation is ở = 0.025 rad/s, which is decreasing at the rate ö = -0.008 rad/s². Determine the radial and transverse components of the car's velocity and acceleration at this instant and sketch these components on the curve. *12–164. The car travels along the circular curve of radius r = 400 ft with a constant speed of v = 30 ft/s. Determine the angular rate of rotation ở of the radial line r and the magnitude of the car's acceleration. r= 400 ft

12–163. The car travels along the circular curve having a radius r = 400 ft. At the instant shown, its angular rate of rotation is ở = 0.025 rad/s, which is decreasing at the rate ö = -0.008 rad/s². Determine the radial and transverse components of the car's velocity and acceleration at this instant and sketch these components on the curve. *12–164. The car travels along the circular curve of radius r = 400 ft with a constant speed of v = 30 ft/s. Determine the angular rate of rotation ở of the radial line r and the magnitude of the car's acceleration. r= 400 ft