Question

According to Kepler’s second law, which factor is constant as a line between a planet and the sun sweeps out two equal areas at different places as it moves along its orbit?
Responses

the planet’s speed
the planet’s speed - no response given

the distance the planet moves
the distance the planet moves - no response given

the amount of time
the amount of time - no response given

the distance from the sun to the planet

Answer 1

The amount of time.

Kepler’s second law states that a line from the Sun to a planet sweeps out equal areas in equal times, so the time interval is constant.