(Solved): A spinning disk is rotating at a rate of 2 rad/s in the counterclockwise direction as shown in the ...

A spinning disk is rotating at a rate of 2 rad/s in the counterclockwise direction as shown in the figure. What is the direction of the angular velocity vector? Incorrect down Incorrect left Incorrect right Correct: up Computer's answer now shown above. You are correct. Your receipt no. is 157-6851 ? If the disk is slowing down at a rate of 4 rad/s2, what is the direction of the angular acceleration vector? Incorrect right Incorrect left Incorrect up Correct: down Computer's answer now shown above. You are correct. Your receipt no. is 157-4467 ? Previous Tries Previous Tries Find the wheel's angular velocity after 4 s. -14 rad/s Computer's answer now shown above. Incorrect. Tries 2/2 Previous Tries Find the angle through which the wheel has turned after 4 s in radians. radians Submit Answer Tries 0/2 Find the magnitude of the velocity (speed) of a point located at r = 20 cm from the center of the wheel after 4 s. m/s Submit Answer Tries 0/2 Submit Answer Tries 0/2 Find the magnitude of the parallel acceleration of the point in the above part. m/s²