Dynamics: Section 12.7, Example 7, Normal and tangent components of acceleration

Kinematics of Particle: Given: The boxes travel along the industrial conveyor. I f a box starts from rest at A and increases its speed such that at = (0.2t)m/𝑠^2 where t is in seconds. Find: magnitude of its acceleration when it arrives at point B?
DYNAMICS, Kinematics and Kinetics of Particles and Rigid Bodies.
Images from Example 12.16, Hibbeler, Dynamics, 14th ed.
Video by Carmen Muller-Karger, Ph.D
Florida International University