The table shows the acceleration due to gravity on four different planets. What planet is a person standing on if the person has a mass of 85.0 kg and weighs 305 N?
a
Venus
b
Earth
c
Mars
d
Mercury
To determine the planet a person is standing on, we need to find the acceleration due to gravity on each planet and see which one matches the person's weight.
The acceleration due to gravity on Venus is 8.87 m/s².
The acceleration due to gravity on Earth is 9.81 m/s².
The acceleration due to gravity on Mars is 3.71 m/s².
The acceleration due to gravity on Mercury is 3.59 m/s².
Since the person weighs 305 N, we need to find the planet where the weight matches this value.
305 N is closest to the weight on Earth, which has an acceleration due to gravity of 9.81 m/s².
Therefore, the person is standing on Earth.
The answer is b. Earth.