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Report | Priyanka asks : two bodies of mass 1kg and 2kg are attached to the ends of a 2m long weight less rod. this system is rotating about an axis passing through middle point of rod calculate M. I. of system? |
Report | Bhakti asks : A metal trunk is 5m long, 2m broad and 3m high. What is its total surface area? Total surface area of cuboid: 2× ( l× b + b× h + h× l ) A) 62 sq m B) 64 sq m C) 48 sq m D) 60 sq m |
Report | Swastika dutta asks : A tank 3m long,2.5 m broad n 1.8 m deep is erected to soak bricks.Some bricks are soaked in it when the tank contains water 8dcm deep. Bricks absorb 1/5th of the quantity of water and even after that it is found that the water level has risen 5.2dcm. If the length,breadth and thickness of each brick are 25cm,12.5cm and 8cm respectively, find the number of bricks that were soaked in the water. |
Report | Purnima mishra asks : The surge impedance of 50 miles long underground cable is 50. For a 25 miles length, it will be (A) 25 (B) 50 (C) 100 (D) none of the above |
Report | Ashwani sharma asks : Which of the following factors did not contribute to the success of the Spanish in creating a vast land empire so quickly in the Americas? A. Spaniards immigrated in great numbers to the American colonies B. The long isolation of the Americas made its inhabitants vulnerable to European diseases. C. The Spanish had superior military technology D. The Spaniards conquest of the Americas was patterned after their already proven success in reconquering Granada. |
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