Which statements describe the motion of a planet according to Kepler’s second law? Check all that apply. 1. The speed of a planet varies as it moves in its orbit.
2. The speed of a planet is constant as it moves in its orbit.
3. A planet travels the same distance along its orbit in equal units of time.
4. A planet sweeps out an equal area in equal units of time.
5. A planet’s orbit is a circle centered on the Sun.
6. A planet’s orbit is an ellipse with the Sun at one focus.

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answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it