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3. From the top of a multi-storeyed building, 39.2 mtall, a boy projects a stone vertically upwards withan initial velocity of 9.8 ms such that it finallydrops to the ground. (i) When will the stone reachthe ground ? (ii) When will it pass through the pointof projection ? (iii) What will be its velocity beforestriking the ground ? Take g = 9.8 ms 2 |
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Answer» find the slope y - intercept of the line given by the equation 2y - 3x =12 |
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