Lag1989 problem number 11.13

to Favorites
If the total amount of your purchases from the seller Timur_ed more than:
- 1243 ₽ the discount is 20%

Sold 1
Refunds 0
Good feedbacks 0
Bad feedbacks 0

Information about the seller Timur_ed and his items
What should be the mass m of the proton so that the force of gravitational attraction between two protons at rest would coincide in magnitude with the force of their electric repulsion?
Thank you for your purchase