A round paper disc is rotating slowly at a constant speed. madhuri moves a marker pen in a straight line from center p of the rotating disc to the edge. the marker pen reaches the edge before the disc completes one full rotation. how will the line appear on the disc

Answers 1

Answer:

For 1/8 of rotation of disc

t=1/8×2π/w =π/4w

X- coordinate of P =wRT

=πR/4>Rcos 45°

therefore, P and Q lands in the unshaded region.

Explanation:

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