A projectile is launched at at above the horizontal from level ground (take , no air resistance). What is its maximum height?

Answer and explanation

Correct answer: C.

  1. Step 1: Vertical component: m/s.
  2. Step 2: At maximum height : m.
Answer
.
Why not the others: : uses without the vertical component. : is the vertical component of the speed, not a height. : uses the horizontal component of velocity in .

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