Concept explainers
A comic-strip superhero meets an asteroid in outer space and hurls it at 100 m/s. The asteroid is a thousand times more massive than the superhero is. In the strip, the superhero is seen at rest after the throw. Taking physics into account, what would be his recoil speed? What is this in miles per hour?
To Calculate: the recoil speed.
Answer to Problem 64A
Explanation of Solution
Given info:
The asteroid is 1000 times more massive than the superman.
Final speed of asteroid,
Formula used:
According to law of conservation of momentum,
Initial momentum = final momentum
Calculation:
Conclusion
Thus, the recoil speed is
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