October 16, 2019, 08:24:47 pm

### AuthorTopic: Practical Investigation  (Read 700 times) Tweet Share

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#### manthila2000

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##### Practical Investigation
« on: July 18, 2018, 11:48:43 am »
0
Hi all,
For my practical investigation I’m thinking of doing this:

Electromagnetic cannon: A solenoid can be used to fire a small ball. A capacitor is used to energise the solenoid coil. Build a device with a capacitor charged to a maximum 50V. Investigate the relevant parameters and maximise the speed of the ball.
(Selected from list given by teacher)

Any ideas on how I can do this? Anything would be helpful.

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#### S200

• Part of the furniture
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• Yeah well that happened...
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##### Re: Practical Investigation
« Reply #1 on: July 18, 2018, 06:12:59 pm »
0
Hi all,
For my practical investigation I’m thinking of doing this:

Electromagnetic cannon: A solenoid can be used to fire a small ball. A capacitor is used to energise the solenoid coil. Build a device with a capacitor charged to a maximum 50V. Investigate the relevant parameters and maximise the speed of the ball.
(Selected from list given by teacher)

Any ideas on how I can do this? Anything would be helpful.
Well, this appears to me to be somewhat similar to a rail-gun in workings....
Try doing some research in that sector.

Is it Lenz's law that says about the force pushing back when a magnet is travelling through a tube??
That may influence your design...

Lenz's Law
First vid I found was an illusionist kit, but it demonstrates well...
Carpe Cerevisi

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