A disk having a radius of 6 in. rotates about a fixed axis with an angular velocity of ω...

A disk having a radius of 6 in. rotates about a fixed axis with an angular velocity of ω = (2t + 3) rad/s, where t is in seconds. Determine the tangential and normal components of acceleration of a point located on the rim of the disk at the instant the angular displacement is θ = 40 rad.