Предмет: Физика, автор: Айнисам

p=24кг*м/c
Ek=44дж
найти массу и скорость

Ответы

Автор ответа: Sartbaeva
0
p=mv=24
E=(mv^2)/2=44
mv^2=88. делим верхнее на нижнее и
mv=24. масса сокращается
v=3,6м/с. отсюда m=24:3,6=6,7кг
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