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Report | Amsterdam asks : A wave of the highest frequent sonic sound travels through a tub of water. What would be its wavelength and time period? |
Report | Shubham asks : A pulse of a wave train travels along a stretched string and reaches the fixed end of the string. It will be reflected back with |
Report | Gurjitdemo asks : A girl travels three-fifths of a distance PQ at a speed of 3x, and the remaining at a speed of 2y. If she goes back from Q to P at a speed of 5z in the same time, then (i) 1/x + 1/y = 1/z (ii) x + y = z (iii) 1/x + 1/y = 2/z (iv) 1/x–1/y=1/z (v) None of these |
Report | Deepak asks : A body travels from a to b at 40m/s and from b to a at 60m/s calculate the average speed |
Report | Sun flower asks : explain from the making of the global world ( history 10) 1 silk routes link the world 2 food travels :spaghetti and patato 3 conquest, disease and trade |
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