Question #9e4d2

1 Answer
Mark C.
Jan 27, 2018

OK, two equations and we can do it.

Explanation:

Firstly, we know speed = dist/time and secondly as it is travelling in a circle the distance is just #2pir#.

2nd bit first:

Distance = #2pi xx 18 = 113.1#m

1st bit second:

Speed = dist/ time = #113.1/6 = 18.85# m/s

All sorted =)

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