A particle is projected from horizontal ground with speed at an angle to the horizontal under gravity . Find the horizontal range .
Answer and explanation
Correct answer: D.
.
.
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- Step 1: Resolve initial velocity into horizontal and vertical components: and .
- Step 2: Find the total time of flight by setting the vertical displacement to zero :
- Step 3: Calculate the horizontal range by multiplying the constant horizontal velocity by the time of flight :
Answer
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