Physics Question (1 Viewer)

mani88 · Feb 16, 2020

Hi, could someone help me with this question?

My approach was to do: $-\frac{GMm}{2r_f}-(-\frac{GMm}{r_i})$ since initially, it had no kinetic energy (it was at rest) and later was placed into an orbit.

Drdusk · Feb 16, 2020

mani88 said:
Hi, could someone help me with this question?

My approach was to do: $-\frac{GMm}{2r_f}-(-\frac{GMm}{r_i})$ since initially, it had no kinetic energy (it was at rest) and later was placed into an orbit.

What help do you need if you already know how to do it?

mani88 · Feb 16, 2020

Drdusk said:
What help do you need if you already know how to do it?

I was confirming if that's the correct way to do it?

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