A projectile is fired at angle of 30 from the horizontal

A projectile is fired at angle of 30 from the horizontal with an initial velocity of 55 m/s. Find.

1. The horizontal velocity of the particle at the top of its flight.

2. The time for maximum height.

3. The maximum height of the projectile.

4. The range of the projectile.

5. The height at t = 4 sec.

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