Task id15296
Seller: nerdmavr
Price: 0.19 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
Two metal balls are mounted on movable supports. How to give these balls equal and opposite charges? You can use a glass rod rubbed with silk, but you must not touch the balls with it. Will your actions require compliance with the condition of equal size of the balls?
Additional information
Detailed solution. Format gif