3 ms·
Really love one of the comments: We're talking a grand piano at least 12.2 metres in width. However, the depth of the piano (from front to back) would have to
by laurent123456 14y ago
Really love one of the comments:
We're talking a grand piano at least 12.2 metres in width. However, the depth of the piano (from front to back) would have to be of the order (length of middle C string≈0.6m)×257≈8.6×1016m ≈ 9light years in order to accommodate a string of the appropriate length.