• Projectiles are affected by gravity during their flight
• As a result of gravity, projectiles are always accelerating toward Earth (down) at a rate of 9.80ms^-2
• In the absence of air resistance (a form of friction);
• projectiles travel in a parabolic path
• Launch and landing velocity and angle will be identical (if launch and landing height are the same)
• Maximum range will be achieved with a launch angle of 45⁰
• If air resistance is present;
• it acts opposing the direction of movement, slowing the projectile down
• the projectile will achieve a lower maximum height
• and a shorter range
• Terminal velocity
• Falling objects will reach a terminal velocity
• Terminal velocity is a constant velocity that is the result of friction (air resistance) being equal to the force of gravity
• Generally the vertical and horizontal components are dealt with seperately
• v_v=v sin θ
• v_h=v cos θ
• 3 equations generally attributed to Galileo are used to make calculations on projectiles

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