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**A cannon barrel is elevated at an angle of 45°. It fires a ball with a speed of 283 m/s. (For the following questions, ignore air resistance.)**

(a) What height does the ball reach?

(b) How long is the ball in the air?

(c) What is the horizontal range of the cannon?

(a) What height does the ball reach?

(b) How long is the ball in the air?

(c) What is the horizontal range of the cannon?

**Known 2D kinematics equations**

**No idea how to start. Help me!**