Odpowiedzi

2009-12-06T21:08:06+01:00
1a
102 000 pa
100 Pa
2000 Pa


2
p = mg/s

p= 500/0,5 = 1 kPa
28 3 28
2009-12-06T21:08:27+01:00
1
a) 1020hPa=102000Pa
b) 0.1kPa=100Pa
c) 0.002MPa=2000Pa
2
P=(50kg*10m/s²)/0.5m²=1000Pa
30 4 30