Răspunsuri

2014-06-13T00:50:16+03:00
Pai stii legea miscarii intr-o miscare rectilinie si uniforma: s = v*t.

s = 384000 km = 384000000 m = 3,84*10 la puterea 8 m.

Daca presupunem viteza luminii c = 300000000 m/s = 3*10 la puterea 8 m/s, avem:

 t = (3,84*10 la puterea 80/(3*10 la puterea 8) = 1,28(secunde).
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