An astronaut with a mass of #75 kg# is floating in space. If the astronaut throws a #8 kg# object at a speed of #3/4 m/s#, how much will his speed change by?
1 Answer
Mar 2, 2016
Explanation:
This is a case of conservation of momentum
So, that means
Here, subscripts of
So that means,
so, the equation reduces to
So,
Simplification gives you that small answer up there.