please solve question 12 quickly ?????~~~~
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12.b is 330m/s
speed to distance/time
so distance = 2 pi r circumference of circle
and time is 4 min
so 2pi r ÷ 4 = 330
speed to distance/time
so distance = 2 pi r circumference of circle
and time is 4 min
so 2pi r ÷ 4 = 330
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