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Question: 5 the velocity of a projectile at its highest point...

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5. The velocity of a projectile at its highest point is always b Positive a Negative c Zero d Equal to the initial velocity 6. If a projectile is launched with an initial velocity of 20 m/s from a height of 50 m in the direction 60° east of north, how long does it take the projectile to return to its original height? 彐 7. Peterson traveled 5 m due west, and then another 5 m due north. From his current location, he wishes to return to his original location by traveling in a straight line. How far and in what direction should he travel? 8. If a projectile is launched from the ground with an initial velocity 100m/s in the direction 30° north of east, what is maximum height and maximum range of the projctile?
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