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F=70kg*10N/kg
F=700N
s=2*0,08m*1,5m=0,24m2
P=700N/0,24m2
P=2917Pa
s=2*(0.08*1.5)=0,12*2=0,24
Szukane:
p?
p=700N/0,24mkw=2916Pa
Ciśnienie wywierane przez narciarza wynosi 2916Pa