An electron and a positron are located 17 m away from each other and held fixed by some mechanism. The positron has the same mas
s and the same magnitude of charge as those of the electron, but its charge is positive. The electron and the positron are released at the same time by the mechanism. The electron and the positron begin to speed up towards each other. What velocities should they have when they are 1.3 m away from each other?
1 answer:
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Answer:
4.7 N
Explanation:
130 g = 0.13 kg
The momentum of the snowball when it's thrown at the wall is
Which is also the impulse. From here we can calculate the magnitude of the average force F knowing the duration of the collision is 0.18 s