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A body is projected vertically upward wi...

A body is projected vertically upward with an initial velocity u. If acceleration due to gravity is g, find the time for which it remains in air.

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To find the time for which a body remains in the air when projected vertically upward with an initial velocity \( u \) and under the influence of gravity \( g \), we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Motion**: - When a body is projected upwards, it will rise until it reaches its maximum height, where its velocity becomes zero. After reaching this point, it will fall back down to the ground. 2. **Identify the Time Intervals**: ...
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