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1. The artillery gun with the muzzle velocity of 400ms is used to create an avalanche...

1. The artillery gun with the muzzle velocity of 400ms is used to create an avalanche on the slope of the skiing mountain. The target is 13.0km awayhorizontally,and 3.0km above the position of the gun. a) What should be ?(the projectile angle above the horizontal)to reach the target?b) What will be the magnitude and the direction ( with respect to the horizontal plane)of the projectile when it hits the target.

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