Answer: The correct answer is graph A.
Explanation:
See Khan Academy.
Yes that looks correct to me. good luck!!
Answer:
The forces are a convergent
Explanation:
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