- #1

c.melissas

- 5

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2. T + mg = mv^2 / r and in this specific problem, v = m.

3. T + m(9.81) = mv^2 / 40

40(T + m(9.81)) = mv^2

Square root of [ (40(T + m(9.81))) / m ]

I think I am on the right track, but I am not really sure what do from this point.