When a gas expands isobarically the product of the pressure

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 465 m/s. the centripetal acceleration at the equator is 3.41  10 2 m/s 2 . use this data to calculate earth’s radius.

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

Which component of the earth’s atmosphere is decreased due to photosynthesis?