Two astronauts, of masses 60 kg and 80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved 12 m?
A) 7.0 m
B) 16 m
C) 21 m
D) 9.0 m
E) 12 m

Question

Two astronauts, of masses  60 kg and  80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved  12 m?
A)  7.0 m
B)  16 m
C)  21 m 
D)  9.0 m
E)  12 m

Quizplus · Accepted Answer

The Answer of Two astronauts, of masses  60 kg and  80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved  12 m?
A)  7.0 m
B)  16 m
C)  21 m 
D)  9.0 m
E)  12 m

Two Astronauts, of Masses 60 Kg and 80