Exercise that we could hypothetically jump on them, Planet
Mass (kg)
Radius (km)
Mercury
3.301x10"
2440
Venus
4.867X10%
6050
Earth
5.972210%
6400
Mars
6.417x10"
3380
Jupiter
1.899/10"
71400
Saturn
5.685x1026
60400
Uranus
8.682x1025
23600
Neptune
1.024x10%
22300
CPS STEM HS Physics Unit 2 Lesson 2: Is there gravity on the International Space Station?
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HS PHYSICS

grav potential energy

it is given that trillions of microbes make up to 1% to 3% of the body mass.

let's take average of this percentage: 2%

consider the average mass of the human body as 70 kg.

then, trillions of microbes would have mass  

therefore, 100 trillion micro-organisms would weigh:

this is an approximate value and could change depending on the mass of the human body and percentage of the microbes present in it.

average mass per microorganism =