Traditional Culture Encyclopedia - Photography and portraiture - Minhang district senior photography ban
Minhang district senior photography ban
(1) uniformly accelerates linear motion, and the displacement difference in adjacent equal time is constant, so it is enough to prove that the displacement difference in adjacent time intervals is constant;
According to the inference of uniform linear motion, △h=aT2:
a=h3? h24T2=0.07 13? 0.03 18? (0.03 18? 0.008)0.042=9.8 1m/s2,
So the answer is: (1) It is proved that the displacement difference between adjacent time intervals is constant;
(2)9.8 1
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