Traditional Culture Encyclopedia - Photography and portraiture - Poker figure photography
Poker figure photography
The real length of the bullet is 1.9 cm. ..
Because the width of playing cards is only three times the length of bullets, bullets cannot be regarded as particles;
(2) The displacement of the bullet passing through the playing card is: x = 5.7+1.9 = 7.6m;
So the time for the bullet to pass through the playing card is t = XV = 7.6×10-1900 = 8.4×10-5s;
Answer: (1) Bullets cannot be regarded as particles; (2) The time for the bullet to pass through the playing card is 8.4× 10-5s.
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