m=10g=0,01kg
v=300m/s
s=15cm=0,15m
s=vt/2
t=2s/v
t=2·0,15m / 300m/s=0,001s
a=v/t
a=300m/s / 0,001s=300000m/s²
F=m·a
F=0,01kg·300000m/s²=3000N=3kN
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m=10g=0,01kg
v=300m/s
s=15cm=0,15m
s=vt/2
t=2s/v
t=2·0,15m / 300m/s=0,001s
a=v/t
a=300m/s / 0,001s=300000m/s²
F=m·a
F=0,01kg·300000m/s²=3000N=3kN