Предмет: Физика, автор: artemmeln28

Даю 20б.............

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Автор ответа: 1Manka1

Ответ:

5м/с

Объяснение:

Дано:

t1=7c

t2=13c

s1=25м

s2=75м

=======

v(c)-?

v(c)=(s1+s2)/(t1+t2)=

=(25+75)/(7+13)=5м/с

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Даю 20б.............​

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Даю 20б.............