Solution of task 8.4.11 from the collection of Kepe OE

If the total amount of your purchases from the seller Михаил_Перович more than:
- 200 $ the discount is 15%
- 100 $ the discount is 10%
- 50 $ the discount is 7%
- 20 $ the discount is 5%
- 10 $ the discount is 3%
- 5 $ the discount is 2%
- 1 $ the discount is 1%

Sold 96
Refunds 0
Good feedbacks 0
Bad feedbacks 0

8.4.11
The angular velocity of the cogwheel 1 varies according to the law? 1 = 2t2.
Determine the acceleration of load 3 at time t = 2 s, if the radii of gears R1 = 1 m, R2 = 0.8 m and the drum radius r = 0.4 m (Answer 4)