1 hPa = 100 Pa
1 kPa = 1000 Pa
1MPa = 1 000 000 pa
1 mPa = 0,001 Pa
20 hPa = 20·100 Pa = 2 000 Pa
15 kPa = 15·1000 Pa = 15 000 Pa
8 MPa = 8·1000000 Pa = 8 000 000 Pa
4 mPa = 4·0,001 Pa = 0,004 Pa
Zad.
dane:
d = 19 g/cm³
m = 5,7 g = 0,0057 kg
g = 10 m/s² = 10 N/kg
szukane:
V = ?
Fg = ?
d = m/V I*V
d·V = m /:d
V = m/d
V = 5,7g/19g/cm³
V = 0,3 g/m³ = 300 kg/m³
----------------------------------
Fg = m·g
Fg = 0,0057kg/10N/kg
Fg = 0,00057 N
----------------------
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1 hPa = 100 Pa
1 kPa = 1000 Pa
1MPa = 1 000 000 pa
1 mPa = 0,001 Pa
20 hPa = 20·100 Pa = 2 000 Pa
15 kPa = 15·1000 Pa = 15 000 Pa
8 MPa = 8·1000000 Pa = 8 000 000 Pa
4 mPa = 4·0,001 Pa = 0,004 Pa
Zad.
dane:
d = 19 g/cm³
m = 5,7 g = 0,0057 kg
g = 10 m/s² = 10 N/kg
szukane:
V = ?
Fg = ?
d = m/V I*V
d·V = m /:d
V = m/d
V = 5,7g/19g/cm³
V = 0,3 g/m³ = 300 kg/m³
----------------------------------
Fg = m·g
Fg = 0,0057kg/10N/kg
Fg = 0,00057 N
----------------------