Since Astronaut and wrench system is isolated in the space and there is no external force on it
So here momentum of the system will remain conserved
so here we can say
initially both are at rest
so here plug in all values
so here the astronaut will move in opposite direction and its speed will be equal to 0.20 m/s
You didn't attach the figure. Your text is incomplete. And you never got around to asking a question. Other than that, we're on it.
Answer:
The baseball will stay in motion until another force act upon it.
Explanation:
You use energy from your body and press the pedals on the bike that has chains and the chains are connected to a circular ish shape and is also connected to the wheel and it spins
