What does kepler’s second law of planetary motion imply? a) a planet moves faster when it is closer to the sun. b) a planet moves faster when it is farther from the sun. c) a planet moves at a constant speed during its orbit around the sun. d) a planet moves slower when it is closer to the sun. e) this law implies nothing about a planet’s motion.

The correct choice is

A) A planet moves faster when it is closer to the Sun.

Explanation:

According to Kepler's second law, radius vector from the sun covers equal area in equal amount of time. so when the planet is farther from sun, it travels at slow speed to cover the same amount of area as covered by it when it is closer to the sun travelling faster.

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