1) v=6 + 2t
2) S=at²/2=100 м
3) v=2 + 0.5t x=2t + 0.25t²
v=4 - 2t x=4t - t²
4) a=v²/(2S)=2.25 м/с²
5) ускорение a=2S/(2n-1)²=2*0.9/(2*5-1)²=0.02 м/с²
S=0.02*(2*7-1)²/2=1.69 м
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1) v=6 + 2t
2) S=at²/2=100 м
3) v=2 + 0.5t x=2t + 0.25t²
v=4 - 2t x=4t - t²
4) a=v²/(2S)=2.25 м/с²
5) ускорение a=2S/(2n-1)²=2*0.9/(2*5-1)²=0.02 м/с²
S=0.02*(2*7-1)²/2=1.69 м