Question text
16 A rocket has mass M when empty. The rocket carries an additional mass M of fuel. The rocket and fuel travel at a speed v. When the engine of the rocket is fired, all of the fuel is expelled and the speed of the rocket increases to 2v. What happens to the kinetic energy of the rocket? A It doubles. B It halves. C It increases by a factor of four. D It stays the same.
16 A rocket has mass M when empty. The rocket carries an additional mass M of fuel.
The rocket and fuel travel at a speed v. When the engine of the rocket is fired, all of the fuel is
expelled and the speed of the rocket increases to 2v.
What happens to the kinetic energy of the rocket?
A It doubles.
B It halves.
C It increases by a factor of four.
D It stays the same.
Select your answer: