Question

When the rocket is on earth and lifting off and burning fuel, which of the following is or are conserved? Mark all that apply and provide a brief 1-2 sentence justification of your choices.

 Momentum of the rocket

 Mechanical energy of the rocket

 Momentum of the rocket + exhaust + Earth system

 Mechanical energy of the rocket + exhaust + Earth system

When the rocket no longer burns fuel (but is still near Earth), which of the following is or are conserved? Mark all that apply and provide a brief 1-2 sentence justification of your choices.

 Momentum of the rocket

 Mechanical energy of the rocket

 Momentum of the rocket + exhaust + Earth system

 Mechanical energy of the rocket + exhaust + Earth system

Answer 1