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A projectile is fired from the 45 m above the ground (the zero level) with an...

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Physics

A projectile is fired from the 45 m above the ground (the zerolevel) with an initial velocity of 285 m/s at an angle of 43.5degrees above the horizontal;
a. How long will this projectile be in the air?
b. How high will this projectile be at the highest point ofits trajectory?
c. What will be the range of this projectile?
d. What will be the velocity of this projectile 28.0 secondsafter it has been fired?
e. What will be the displacement of the projectile 28.0seconds after it has been fired?
f. When will this projectile be 1500 meters above theground?
g. What will be the velocity of this projectile at the highestpoint of its trajectory?

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