2. Simplified law application exercises

2.1 Anti-tank missile: gas pedal block

An anti-tank system mounted on an all-terrain vehicle (an example is shown in figure 5 ) or on a helicopter fires 23 kg ammunition comprising an acceleration block (the subject of this paragraph) and a cruising block (the subject of the following paragraph).

The propellant mass for acceleration is 2.5 kg. The aim is to estimate the cruise speed, assuming a specific impulse of 210 s. Tsiolkovski's formula [equation (6) ] gives a final...