Traditional Culture Encyclopedia - Photography and portraiture - In the case of a high-speed camera
In the case of a high-speed camera
The actual length of the bullet is 2.0 cm. ..
According to the ratio of neutron bomb to Parker card in the photo, the width of Parker card is about 6cm.
So the time for the bullet to pass through Parker brand is t = XV = 0.02+0.06900 = 8.9×10-5s.
So the answer is: 8.9× 10-5.
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