23
23.1. , ? .
23.2. , , m = 100 . . μ = 0,40. n 1= 2,0 /, . n 2 = 5,0 /, 2 . l 0 k.
23.3. . . . = 20 . .
23.4. , , . =5 . . m 1 10 , u 1 = 1 /. l , μ = 0,2?
23.5. n = 5 c-1. Δ t = 1 . N, .
23.6. , , . ? .
23.7. , , . , , 10 ?
23.8. m1 = m 2 = 1 . . W = 40 . W .