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Physics, 16.04.2020 19:43 knj281

In a church choir loft, two parallel walls are 5.21 m apart. The singers stand against the north wall. The organist faces the south wall, sitting 0.809 m away from it. So that she can see the choir, a flat mirror 1.415 m wide is mounted in the south wall, straight in front of the organist. What width of the north wall can she see? Answer in units of m.

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