A projectile which is launched with an initial horizontal velocity from an elevated position and follows a parabolic path to the ground can be investigated by this apparatus.

Equipment list:

• The main frame made of plexiglass , with two adjustment screws to level the apparatus
• Two holders to release the ball
• Specified locations to mount the holder in heights of 8cm , 11cm and 14cm
• Two metallic balls with diameter and weighs of (20mm- 10gr) and (10mm- 5gr)
• One metallic Plummet to level the apparatus
• One meter in 3 m length
• Carbon paper to indicate the ball striking point on the ground
• Handheld digital chronometer , resolution: 0.01 s
• Weight :1kg and dimensions : 55cm × 16cm × 10cm