What was the bullets flight time

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Q. A classroom slide projector projects an enlarged (50 times taller) image of a 24 mm high photographic film onto a screen located 10 meters from the projector. What focal length lens (cm) does the slide projector require to produce a sharply focus image at this distance?

Q. A rifle is aimed horizontally at a target 60m away. The bullet hits the target 2.0 cm below the aim point. What was the bullet's flight time?

Reference no: EM1352058

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