a ball of mass 500g moving with a velocity of 10m/s collides with another ball of mass 250g.after the impact,the second ball moved off with a velocity of 8m/s calculate the final velocity of the first ball.

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What is Vaporization ?

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Name the metal that burns in oxygen with a dazzling white flame

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How is the index of refraction computed?

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Similar charges repel while dissimilar ones attract each other. How does two electrons attract each other during the formation of bond or why don't the protons in the nucleus repel?

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What is L.D.R(light dependent resistor)

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Why are the mountains colder than the plains ?

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A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?

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When the sound intensity is above 120 decibel, what happen to human ears?

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Sir. I m a physics graduate ...how can i help in bank with my physics subject...kindly reply ...my id. Pshkumar.090@gmail.com...please

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what is difference b/w scr &rectifier&mechanism of triac experiment

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Why dies a small quantity of air introduced into the top of the barometer tube depress the level of mercury ?

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