# Gravitation+SHM

There is an isolated planet having mass $$2M$$ and radius $$2R$$ where $$M$$ and $$R$$ are the mass and radius of the earth. A simple pendulum having mass $$m$$ and length $$2R$$ is made to small oscillations on the planet. Find the time period of $$SHM$$ of pendulum in seconds

Details and Assumptions

take $$\pi=3.00~~,g=10m/s^{2}~~,\sqrt{2}=1.41~~R=6400~km$$

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