Explain the Mortar ?

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Explain about Dispension of Light ?

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why the ammeter and voltmeter has a circle representation

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what happens when an object travels in the speed of light hits another object?

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What should a drummer do to make the sound of lower pitch?

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i want to increase my ups back time ,i have added one 12v 68ah battery to my ups but it is not working ,is it possible to make adjustment so that new battery will work.

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what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?

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If a plane is in the air and there is a fly flying inside the plane does the plane get heavier when the fly lands?

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Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2

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How do you separate hydrogen and oxygen gases in industrial electrolysis of water process?

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What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:

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Explain the three particles that make up an atom?

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