gravity =9.8m/s

* 1 poi The magnitude of the moderation of a planet in orbit around the Sin: is proportional to: O the product of the mass of the planet and the mass ofthe Sun 0 the mass of the planet 0 the reciprocal of the distance between the planet and the Sun 0 the mass of the sun A Carnot heat engine runs between a cold reservoir at temperature TC and * 1 poi a hot reservoir at temperature TH. You want to increase its efciency. 0f the following, which change results in the greatest increase in efciency? The value of AT is the same for all changes O Raise the temperature of the hot reservoir by AT 0 Raise the temperature of the cold reservoir by AT 0 Lower the temperature of the hot reservoir by AT 0 Lower the temperature of the cold reservoir by AT * 1 poi Fahrenheit and Kelvin scales agree numerically at a reading of