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a high speed dart is shot from ground level with a speed of 140 m/s at a...

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Physics

ahigh speed dart is shot from ground level with a speed of 140 m/sat a angle 30 degrees above the horizontal. 1. What is thespeed& direction of the dart after 6 sec if the air resistanceis neglected. 2. How high above the projection point is the ballafter 6 seconds? 3. What is the horizontal displacement of the dartat that instance.

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