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A lighting cartridge is fired from its barrel at an angle of 53° degrees from the...

A lighting cartridge is fired from its barrel at an angle of 53° degrees from the horizontal at Vo velocity. What should be the exit velocity of the cartridge from the barrel in order for this lighting cartridge to explode 100 meters above the target 600 meters away?

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Answer #1

Take horizontal direction as positive X axis and vertical direction as positive Y axis. Use equation of kinematics for vertical and horizontal motion separately to find the required velocity as shown below

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