Question: For this photo, the camera s shutter was open for 1 / 4 0 of a second. The two crosswalk stripes are 1 0 ft
For this photo, the cameras shutter was open for of a second. The two crosswalk stripes are ft apart.
a Visually estimate how far the car moved while the shutter was open. Then use ratios to estimate the cars
speed in ftsec
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