A person weighed 150, he went to the toilet, and when he came back, it was still 150, how to get bac

The next time you go to the toilet, you should verify the "conservation of mass" according to the following scientific methods

1. Before going to the toilet, wrap yourself in a large vacuum plastic bag and leave a hole for a shhhhhhh (to minimize the evaporation of body water), record your weight X with an accurate weighing tool

2. Prepare a container (beaker) and weigh Y

3. Urinate in a beaker, weigh Z, calculate your urine weight Z-Y4, and weigh yourself W

Weigh to 3 or more decimal places, and then calculate the error, which is roughly the amount of water coming out of your hole and the amount of dust on your plastic bag.

1. If you go to the wrong toilet, you may go to the women's toilet.

2. There is also the landlord did not say the unit, 150 may be the length of the unit of measurement, that is, the height of the person, and the height of the person will not change when he goes to the toilet.

The minimum scale to be weighed is "two".

You may be using the same scale that measures height and weight, which is common in hospitals.

Pull the pants DOU sub.