A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two diametrically opposite points A and B as shown in the figure, is [2009] Read More »
Kepler’s second law regarding constancy of aerial velocity of a planet is a consequence of the law of conservation of Read More »
An asteroid of mass m is approaching earth, initially at a distance of 10 Re with speed vi It hits the earth with a speed vf (Re and Me are radius and mass of earth), then Read More »
