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A square plate of mass `10kg` and side `20m` is moving along the groove with the help of two ideal rollers (massless), connected at the corners `A` and `B` of the square, as shown in the figure. At a certain moment of time, during motion, the corner `A` is moving with velocity `16m//s` downward. Find the speed of corner `D`. A. `32 m//s`B. `16 m//s`C. `8 m//s`D. none |
| Answer» Centre of square behaves as instantaneous centre of rotation. | |