Question

@Abhisar
. Planet Z has diameter 1.8 × 107 m. On the planet's surface, the acceleration due to gravity is 19.5 m/s2. What is the mass of the planet? Note: The constant of universal gravity (G) equals 6.674 × 10-11 N · m2/kg2.

7.0 × 1025 kg
2.4 × 1025 kg
4.3 × 1025 kg
8.4 × 1025 kg

Answer 1

Diameter is 1.8*10^7

Answer 2

Answers are 10^25

Answer 3

g=GM/r^2

Answer 4

Thanks