13.7 s, 1860 m
This chapter transitions from uniform motion to accelerated motion, introducing gravity and vertical displacement as central themes. Key Kinematic Concepts Acceleration ( : Defined as the rate of change of velocity ( : Objects in free fall accelerate downward at approximately Vector Analysis
Objects remain at rest or in uniform motion unless acted upon by an external force. Newton's Second Law ( ): Relating acceleration to net force and mass.
A student blindly copying the first answer would be wrong.