I think it's time we say goodbye toisn't preparing us for anything. They're using us for money by making us see ads and pay for premium. Instead of actually learning, we use as a crutch. When some of us go back to in real school, we will know nothing. I want to do better, I want you to do better, because we all deserve better, who's with me?
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the bal will not change its velocity.

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 =

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y