A particle can move only along x-axis. Three pairs of initial and final positions of particle at two successive times are given Pair Initial position Final position 1 -3m +5m 2 -3m -7m 3 +7m -3mFind the sum of magnitudes of displacement in the pairs which give negative displacement in m.
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answer is 14.
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Detailed Solution
s1=5(−3)=8ms2=−7−(−3)=−4ms3=−3−7=−10m Required value =s2+s3=(−14)=14
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A particle can move only along x-axis. Three pairs of initial and final positions of particle at two successive times are given Pair Initial position Final position 1 -3m +5m 2 -3m -7m 3 +7m -3mFind the sum of magnitudes of displacement in the pairs which give negative displacement in m.