Year 12 Mechanics Projectile Motion Experiment 1:

Projectile motion exp 1	Projectile motion exp 2	Projectile motion exp 3
Find muzzle velocity by firing vertically	Find the muzzle velocity by shooting horizontally - determine time of flight - determine muzzle velocity	Find the position the projectile will land, by firing at an angle to the horizontal - resolve x and y components of velocity - determine time of flight - determine horizontal distance.

Purpose:

The purpose of this experiment is to calculate the initial velocity (muzzle velocity) of the ball by firing the cannon vertically.

Equipment:

Ruler (1m end to end)
Projectile launcher (ME-6801)

Method:

Set the launcher to fire directly upwards. Measure the distance (h) from the top of the launcher to the position of maximum height.
I would normally get the class to come around close and for them to tell me the height with reference to a 1m ruler. We do this a couple of times to introduce / affirm the ideas of repeating and averaging.

Pitfalls / causes of error

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Resources

see Pasco manual for more info
Pasco_Projectile_Launcher.PDF
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- 751 KB

Model data:

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References / other comments:

If it gets too hard to call, use a digital camera.