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Water table in most parts of the State has gone down to such a level that its extraction for irrigation purposes is not economical any more Courses of action I. Extraction of ground water for any p

Soybean is to be planted with a precision planter that meters 54 seeds per revolution of the metering disc powered from a ground wheel of diameter 490 mm. The desired plant population is 44800 per ha

The area of a play ground is 1600 square metres. What its perimeter?I. It is a perfect square play ground.II. It costs Rs. 3200 to put a fence around the play ground at the rate of Rs. 20 per metre

A person on the edge of a roof throws a ball downward. It strikes the ground with 100 J of kinetic energy. The person throws another identical ball upward with the same initial speed, and this too f

An unconfined aquifer extends over an area of 1 m2 and has hydraulic conductivity, total porosity and specific retention of 20 m per day, 30% and 10%, respectively. After pumping some groundwater from

Water is filled up to a height h in a beaker of radius R . The density of water is ρ, the surface tension of water is T and the atmospheric pressure is P0. Consider a vertical section ABCD of the wat