A 200g model rocket is observed to rise 100 m above the ground after launch . What must have been the launch speed of the rocket at the ground ? Do you use the equation -LSB- math -RSB- \ frac -LCB- -LCB- mv_1 -RCB- ^ 2 -RCB- -LCB- 2 -RCB- + mgh_1 = \ frac -LCB- -LCB- mv_2 -RCB- ^ 2 -RCB- -LCB- 2 -RCB- + mgh_2 -LSB- / math -RSB- ?
Why are US unguided rocket launching pods so un-aerodynamic ?