AP® Physics 1 & 2

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Moderate

New Planet

APPH12-XZLYVK

A team of astronauts lands on the surface of a newly discovered planet in a different solar system. In this solar system, the star the planet orbits has a mass $1.5$ times that of the Sun and a radius $2$ times that of the Sun.

The planet the astronauts land on has a mass $1.2$ times that of the Earth and a radius $1.7$ times that of the Earth.

Which of the following most closely approximates the magnitude of the gravitational field at the surface of the planet?

A

$6.92\text{ m/s}^{ 2 }$

B

$4.07\text{ m/s}^{ 2 }$

C

$7.36\text{ m/s}^{ 2 }$

D

$23.63\text{ m/s}^{ 2 }$