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What times have you guys have been getting?

What kind of triggers have you built for catapault? I can't seem to find a trigger that works as well ( or nearly as well) as actually pulling back with my hand.

How far have you guys been able to launch with catapault / bouncer?

C. The direction of an electric field is the same as the direction of the force it exerts on a positively charged particle. If you didn't know that, you should be able to make a pretty good guess from the structure of the question. Notice that A and B are actually the same answer - opposite the dir...

Does anyone know some properties of an electric field? Or maybe a resource for it? Could anyone help me with this question? 1.Which of the following is true for the direction of an electric field? a.It is same as the direction of the force exerted on a negative test charge. b.It is opposite to the d...

Could you provide an example for internal resistence in a problem? There are some great resources we've put up on the official Shock Value website that might help you: http://soinc.org/shock_value_b In particular, the ibiblio book has a section on internal battery resistance: http://www.ibiblio.org...

Could you provide an example for internal resistence in a problem?

Could someone explain the concept of Internal resistence? A definition or some formulas would be very helpful