Question

1 oblicz mase powietrza w twoim pokoju 3m x 2m

2 oblicz mase wody w basene o wymiarach 12m x 25m x 2m

z góry dziękuje

Answer 1

1.

dane:

V =3m x 2m x 2,5m =15m3

d =1,29kg/m3

szukane:

m =?

 

d =m/V  I*V

m =V x d = 15m3 x 1,29kg/m3

m =19,23 kg

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2.

dane:

V =12m x 25m x 2m = 600m3

d =1000kg/m3

szukane:

m =?

 

d =m/V  I*V

m = V x d = 600m3 x 1000kg/m3

m = 600 000 kg

m = 600 ton

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