Lag1989 task №1.21

If the total amount of your purchases from the seller Timur_ed more than:
- 15 $ the discount is 20%

Sold 0
Refunds 0
Good feedbacks 0
Bad feedbacks 0

The radius vector of a moving particle is given by r = 3t²i + 4t²j + 7k. Find displacement Δr particles 10c in the first movement and the movement of the module.
Thank you for your purchase. If you have any questions, please contact us by e-mail (see. "Seller Information")