Q=100N
g≈10m/s²
V=50cm³=0,00005m³
a)
m=Q/g
m=100N / 10m/s²=10kg
b)
d=m/V
d=10kg/0,00005m³=200000kg/m³
dane:
Fg = 100 N = 100 kg*m/s2
V = 50 cm3 = 0,00005 m3
g = 10 m/s2
szukane:
a) m = ?
b) d = ?
Z II zasady dynamiki:
Fg = m * g /:g
m = Fg/g
m = 100kg*m/s2 /10m/s2
m = 10 kg
=========
d = m/V
d = 10kg/0,00005m3
d = 200 000 kg/m3
================
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Q=100N
g≈10m/s²
V=50cm³=0,00005m³
a)
m=Q/g
m=100N / 10m/s²=10kg
b)
d=m/V
d=10kg/0,00005m³=200000kg/m³
dane:
Fg = 100 N = 100 kg*m/s2
V = 50 cm3 = 0,00005 m3
g = 10 m/s2
szukane:
a) m = ?
b) d = ?
a)
Z II zasady dynamiki:
Fg = m * g /:g
m = Fg/g
m = 100kg*m/s2 /10m/s2
m = 10 kg
=========
b)
d = m/V
d = 10kg/0,00005m3
d = 200 000 kg/m3
================