Traditional Culture Encyclopedia - Photography and portraiture - As shown in the picture, two bullets passed through the photo taken by Apple's instantaneous high-speed camera. The time interval between the two photos is 4× 10 -4 s, so
As shown in the picture, two bullets passed through the photo taken by Apple's instantaneous high-speed camera. The time interval between the two photos is 4× 10 -4 s, so
If the diameter of the apple is about 0.2m, the flying speed of the bullet is. V = XT = 0.24×10-4m/s = 5×102m/s, so B is correct and A, C and D are wrong.
So choose B.
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