Final answer:
The student's question involves calculating the flow rate, velocity, and nozzle diameter related to fluid dynamics and projectile motion in physics. It requires applying various physics equations to real-world situations.
Step-by-step explanation:
The question pertains to the principles of fluid dynamics, specifically flow rate and velocity of water through a hose with different nozzle diameters. To address each part of the question:
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This is an application of physics concepts in a real-world scenario connecting fluid dynamics and projectile motion.