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Q.19 A stone dropped from a building of height h and it reaches aftert seconds on earth. From the same building if twastones are thrown [one upwards and other downwards] with the same velocity u and they reach the earth surfaceaftert, and t, seconds respectively, then[CPMT-97]12)t + 12[3] t=vt,t2[4] t = tit[1] t= t1-t222) g CS Road3rd Floor Mc Donald Tower. Bhang |
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