Concern the planet Mars, which has a radius of 3400 km On Mars, the acceleration due to gravity is 3.72 m/s2 . a. Assuming that the centripetal acceleration at the Mars equator is equal to the acceleration due to gravity, estimate the length of a day on Mars. Note: this does not give a good estimate of the length of a day on Mars! b. Using only information provided above, estimate the mass of Mars. Is this value a good estimate? c. If the radius of Mars suddenly were to double (without changing its mass), what would be the new acceleration due to gravity? Would you expect the length of a day on Mars increase, decrease, or stay the same?

Concern the planet Mars, which has a radius of 3400 km On Mars, the acceleration due to gravity is 3.72 m/s2 . a. Assuming that the centripetal acceleration at the Mars equator is equal to the acceleration due to gravity, estimate the length of a day on Mars. Note: this does not give a good estimate of the length of a day on Mars! b. Using only information provided above, estimate the mass of Mars. Is this value a good estimate? c. If the radius of Mars suddenly were to double (without changing its mass), what would be the new acceleration due to gravity? Would you expect the length of a day on Mars increase, decrease, or stay the same?

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Concern the planet Mars, which has a radius of 3400 km

On Mars, the acceleration due to gravity is 3.72 m/s2 .

a. Assuming that the centripetal acceleration at the Mars equator is equal to the acceleration due to gravity, estimate the length of a day on Mars. Note: this does not give a good estimate of the length of a day on Mars!

b. Using only information provided above, estimate the mass of Mars. Is this value a good estimate?

c. If the radius of Mars suddenly were to double (without changing its mass), what would be the new acceleration due to gravity? Would you expect the length of a day on Mars increase, decrease, or stay the same?

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