Driving in your car with a constant speed v v
, you encounter a bump in the road that has a circular cross section, as indicated in the figure(Figure 1). The radius of curvature of the bump is 35 m.

At what speed must you go over the bump if people in your car are to feel "weightless"?

answer: b.

explanation:

the inner core.

good luck: )

klicker

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 =