PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion
Problem
A toy car moves around a circular track of radius 2.0m. Starting from rest, its angular acceleration about the centre is constant at 1.5rads−2. Find the magnitude of its total linear acceleration 4s after it starts.
(a) 75ms−2
(b) 72ms−2
(c) 24ms−2
(d) 3.0ms−2