Two seconds after projection, a projectile is travelling in a direction inclined at `30^@` to the horizontal. After one more second, it is travelling horizontally. Find the magnitude and direction of its velocity.

Explanation

To solve the problem step by step, we will analyze the motion of the projectile and use the information given about its velocity at specific times.

### Step 1: Understand the Problem
We know that:
- At \( t = 2 \) seconds, the projectile is moving at an angle of \( 30^\circ \) to the horizontal.
- At \( t = 3 \) seconds, the projectile is moving horizontally.

### Step 2: Determine the Time of Flight
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