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

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