Answer:
Other ball's velocity is 10 m/s
Explanation:
We can use conservation of momentum:

Answer:
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Answer:
7.5 right?
Explanation: if im wrong shoot me
Answer:
1.8L
Explanation:
Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.
So x is the volume at pressure 235
235x = 101(4.2)
x = 424.2/235 = 1.8