Dievsky V.A. - Solution of task D1 variant 26 (D1-26)
Seller: Михаил_Перович
Price: 0.73 USD
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Product description
D1-26 Dievskiy
To measure the depth of the excavation, a weight of m, which reaches trough the t = 4 s, is thrown to its bottom without initial speed. The air resistance is proportional to the speed R = -0.98mv. Determine the depth of the excavation.