Question

In the figure below Thabo initially at rest throws a ball upward at an angle 𝜃𝑜 with an
initial speed 𝑣𝑜. He tries to catch up to the ball by speeding-up at a constant
acceleration 𝑎 for a time interval ∆𝑡1 and then continues to run at a constant speed for
a time interval ∆𝑡2. He catches the ball at exactly the same height he threw the ball. Let
𝑔 be the gravitational constant. What was Thabo’s acceleration 𝑎?

Answer 1

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Answer 2

I don't see a figures below.