MECH ENG 1007: Engineering Mechanics - Dynamics Please include all units and necessary explanations (i. diagrams).

MECH ENG 1007: Engineering Mechanics - Dynamics

Please include all units and necessary explanations (i.e. diagrams). Also, if possible, use terms that are appropriate to Dynamics for ease of understanding.

The questions are in the attachment, there are three questions in total. The topic is Curvilinear Motion of particles. Thank you!