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A tire rotates
450 times per min. Through how many degrees does a point on
the edge of the
tire move in 1 sec?








Sagot :

[tex]450\ rot/min=450\ rot/60s=\frac{450}{60}\ rot/s=7.5\ rot/min\\\\7.5\cdot360^o=2700^o\leftarrow answer[/tex]



[tex]7.5\to7\ and\ half\ circle\to 180^o[/tex]