Rock Powered Rocket

Rock Powered Rocket#

Savannah is an astronaut, floating in space. Their rocket is powered by throwing rocks out of a hole in the back of the spaceship. The inertia of Savannah and their rocket together is 329 kg. Savannah also (in addition to the rocket and the person) has two 24 kg rocks on board. They are initially at rest. Savannah throws the first rock, and then they are moving with velocity 19 m/s. Then Savannah throws the second rock out of the back and they are moving with velocity 29 m/s .

Part 1#

(a) What is the total momentum of the system?

Answer Section#

Please enter in a numeric value in m/skg.

Part 2#

(b) With what velocity is the first rock Savannah threw moving through space?

Answer Section#

Please enter in a numeric value in m/s.

Part 3#

(c) With what velocity is the second rock Savannah threw moving through space?

Answer Section#

Please enter in a numeric value in m/s.

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.