This is an original exam question by Prof Kay Han. It is fo…
This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website. An astronomer at the equator measures the Doppler shift of sunlight at sunset. From this, she calculates that Earth’s tangential velocity at the equator is [x] m/s. Earth has a radius of [y] m. Calculate the centripetal acceleration in m/s2 at the equator.
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