Photos 2T 4 5T

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2t 4 5t. X1 2t+0.2t 2 x2 80-4t. X1 10t 0.4t 2. A*T^2/2. -T^2+T+3=0.
X1 2t+0.2t 2 x2 80-4t. X1 10t 0.4t 2. A*T^2/2. -T^2+T+3=0.

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