Which statements about cirrus clouds are true? Choose all answers that are correct. A. Cirrus clouds form high in the sky. B. Ci
2 answers:
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Answer:
Part a)
Part b)
Explanation:
Since the ball and rod is an isolated system and there is no external force on it so by momentum conservation we will have
here we also use angular momentum conservation
so we have
also we know that the collision is elastic collision so we have
so we have
also we know
also we know
so we have
now we have
Part b)
Now we know that speed of the ball after collision is given as
so it is given as
Answer:
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The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation
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