If a projectile is fired with an initial velocity of  FIGURE 1.png)
meters per second at an angle ? above the horizontal and air resistance is assumed to be negligible, then its position after t seconds is given by the parametric equations  Figure 2.png)
where g is the acceleration of gravity (9.8 m/s²). If a gun is fired with a = 55° and  FIGURE 1.png)
= 440 m/s when will the bullet hit the ground?
What will be an ideal response?
t = 74s
Mathematics
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