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.
- Step 1: Vertical component: m/s.
- 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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