Q1. David is driving a steady 21.0 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David?
What is her speed as she passes him?
Q2. A ball of mass 0.188 kg is dropped from a height 3.45 m above the ground.
The acceleration of gravity is 9.8 m/s2.
Neglecting air resistance, determine the speed of the ball when it is at the height 0.684 m above the ground.
Respond in units of m/s