Liza and 4 friends need to move five 30 kg boxes to a platform 8 m high, as fast as possible. A ramp with an incline of 10° leads up to the platform, meaning that the ramp is about 45 m long. Additionally, a pulley dangles above the platform and could easily accommodate a length of rope in the trunk of Liza's car. How would you recommend Liza and her friends move the boxes? Be sure to consider the effort force required for your solution and the time required to complete the task.

the answer is 3.1 his answer is wrong mines is right

the rearrangement of particles in a physical change. hope this

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 =