7. A long thin carpet is laid on the floor. One enti of the carpet is bent back and then pulled backwards with constant velocity v# 4 ms just above the carpet, the remaining part of carpet remains at rest on the foor The velocity of instantaneous centre of mass of the moving part of carpet is 4 m/s TTITITTIIIT7 (1) 3/4 m/s (3) 2 m/s (2) 413 m/s (4) 3 m/s

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A floor is $5 m$ long and $4 m$ wide. A square carpet of sides $3 m$ is laid on the floor. Find the area of the floor that is not carpeted.

Area of a rectangular carpet is $18 m^{2}$ and its length is 3 m. Find: [4 MARKS]
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M

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