dane:
m =10g =0,01kg
s =l =60cm =0,6m
V =800m/s
szukane:
F =?
F =m *a
Vśr =1/2 *v
l =1/2*v*t I*2
vt =2l I:v
t =2l/v
t =2*0,6m/800m/s = 0,0015 m/s2
a =v/t
a =800m/s:0,0015m/s =533 333 m/s2
F =0,01kg * 533 333m/s2 =5333,3N
F =5,333 kN
Odp.Pocisk wyrzucany jest z siłą 5,333 kN.
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dane:
m =10g =0,01kg
s =l =60cm =0,6m
V =800m/s
szukane:
F =?
F =m *a
Vśr =1/2 *v
l =1/2*v*t I*2
vt =2l I:v
t =2l/v
t =2*0,6m/800m/s = 0,0015 m/s2
a =v/t
a =800m/s:0,0015m/s =533 333 m/s2
F =0,01kg * 533 333m/s2 =5333,3N
F =5,333 kN
Odp.Pocisk wyrzucany jest z siłą 5,333 kN.