An equilateral triangle with each side of length s is placed such that one of its sides is on the x axis of a coordinate system with the vertex opposite to this side on the y axis. Compute its interior angles in a frame that moves to the right of S (along the +ve x axis) with speed v. Is the sum of angles still 180º (take v = c/2 for example and confirm)?

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An equilateral triangle with each side of length s is placed such that one of its sides is on the x axis of a coordinate system with the vertex
opposite to this side on the y axis. Compute its interior angles in a frame that moves to the right of S (along the +ve x axis) with speed v. Is the
sum of angles still 180° (take v =
c/2 for example and confirm)?
Transcribed Image Text:An equilateral triangle with each side of length s is placed such that one of its sides is on the x axis of a coordinate system with the vertex opposite to this side on the y axis. Compute its interior angles in a frame that moves to the right of S (along the +ve x axis) with speed v. Is the sum of angles still 180° (take v = c/2 for example and confirm)?
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