Asked by Jason
Comic-strip hero Superman meets an asteroid in outer space, and hurls it at 750 m/s, as fast as a bullet. The asteroid is three thousand times more massive than Superman. In the strip, Superman is seen at rest after the throw. Taking physics into account, what would be his recoil velocity?
Answers
Answered by
drwls
His momentum would have to equal that of the asteroid, but in the opposite direction. That would require that
V(superman) = 3000*750 m/s = 2.25*10^6 m/s
which is about 1% of the speed of light.
V(superman) = 3000*750 m/s = 2.25*10^6 m/s
which is about 1% of the speed of light.
Answered by
Jason
Where do you get 10^6 m/s?
So is the answer 22.5 or 225,000,000
So is the answer 22.5 or 225,000,000
Answered by
drwls
No, it is neither of those two numbers you wrote.
It is what it is.
Do the multiplication.
It is what it is.
Do the multiplication.
Answered by
Nevaeh
Comic-strip hero Superman meets an asteroid in outer space and hurls it at 800 m/s, as fast as a bullet. The asteroid is 1000 times more massive that Superman. In the strip, Superman is seen at rest after the throw. Taking physics into account, what would be his recoil velocity? Show your work?...
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