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Sir Isaac Newton brought out his monograph, titled `Philosoplliae Naturalis Principia Mathematica,' in 1687. In this work, Newton described universal gravitation and the three laws of motion, which dominated the scientific view of the physical universe for the next three centuries. Newton showed that the motions of objects on Earth and of celestial bodies are governed by the same set of natural laws, by demonstrating the consistency between Kepler's laws of planetaly motion and his theory of gravitation, thus removing the last doubts about helio-centrism and advancing the Scientific Revolution.
If the numerical value of the circumference of a circle is half the numerical value of its area, then the radius of the circle is:
A hollow cylindrical tube 20 cm long is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume (in cubic cm) of...
A sphere is melted to form 81 identical cylinders. If radius of each cylindrical is 1/3rd of the radius of sphere and height of each cylinder...
A cylinder 84 cm long is made of steel. Its external and internal diameters are 10 cm and 8 cm respectively. What is the volume of the steel in the cyli...
A rectangular tank is 50 meter long and 29meter deep. If 1000 cubic meters of water be drawn off the tank, the level of the water in the tank goes down ...
The length, breadth and height of a room are 8m, 10m and 12m respectively. Find the cost of white washing the room at the rate of Rs 15 per m²?
The sum of the volumes of cylinder A and B is 68376 cm3 . The height of cylinder B is 3 cm more than the height of cylinder A. The curved su...
‘A’ invested Rs. 4680 for ‘x’ months while ‘B’ invested Rs. 780 less amount than ‘A’ for (x + 5) months....
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 115˚ , then the measure of angle P is:
'O' is a point in the interior of an equilateral triangle. The perpendicular distance from 'O' to the sides are Ö 3 cm, 2Ö 3 cm, 5Ö 3 cm. The perimet...
