Dievsky V.A. - Solution of task D1 variant 24 (D1-24)

If the total amount of your purchases from the seller Михаил_Перович more than:
- 18268 ₽ the discount is 15%
- 9134 ₽ the discount is 10%
- 4567 ₽ the discount is 7%
- 1827 ₽ the discount is 5%
- 913 ₽ the discount is 3%
- 457 ₽ the discount is 2%
- 91 ₽ the discount is 1%

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D1-24 Dievskiy

The train moves along a straight-line horizontal section of the track, and at the initial moment of deceleration the speed v0 = 72 km / h. The magnitude of the resistance to movement is 0.2 of the weight of the train. Determine the time elapsed before the stop and the distance traveled.