A gun crew observes a remotely controlled balloon launching

Last updated: 6/21/2023

A gun crew observes a remotely controlled balloon launching an instrumented spy package in enemy territory When first noticed the balloon is at an altitude of 800 m and moving vertically upward at a constant velocity of 5 m s It is 1600 m down range Shells fired from the gun have an initial velocity of 400 m s at a fixed angle sine 3 5 and cos0 4 5 The gun crew waits and fires so as to destroy the balloon Assume g 10 m s Neglect air resistance Velocity of shell just before collision in ms is approximately 400m s 1600m Q1 15m s