Из винтовки вылетает пуля со скоростю 700 м/с.винтовка при отдаче приобретает скорость 1,6 м/с.определите массу винтовки,если масса пули 10 г
OtlicnikKZ1337
2
10.09.2019 13:10
2
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m1*v1=m2*v2
m2=m1*v1/v2=0.01*700/1.6=4.375 кг