Question

8) Answer the questions based on the given figure.
Earth
a) What does the second circle from the centre represent? and what does the solid dot on tha
circle stands for?
b) Derive an expression for critical velocity.
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Answer 1

Answer:

orbital

Explanation:

it i s gr

it depends on velocity

Answer 2

Answer:

the second circle represent the orbit of the planet

the dot shows the planet