How far above the target is from given point
If a bullet that leaves the muzzle of a gun at 324 m/s is to hit a target 84.0 m away at the level of the muzzle, the gun must be aimed at a point above the target. How far above the target is this point?
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What does the smooth endoplasmic reticulum do in the plant and animal cells?
By what minimum amount must the difference of the path lengths be increased in order to hear destructive interference again?
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