Question

guys please solve this problem with solution

Answer 1

Answer:

a)$\frac{v}{\sqrt{2} }$

Explanation:

To solve this remember (v= orbital velocity)

⇒$v=\sqrt{ \frac{Gm}{r} }$

According to the question, its height is increased to r(radius of earth) which means it is now, 2r

Insert it into the equation,

⇒$v= \sqrt{\frac{Gm}{2r} }$

Take out the 2 from rhs

⇒${\frac{1}{\sqrt{2} } }* \sqrt{\frac{Gm}{r} }$

⇒$\frac{v}{\sqrt{2} }$

Hope that helps... :)

Answer 2

Answer:

To solve this remember (v= orbital velocity)

Explanation: