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.

Question

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.

Infinity Learn · Accepted Answer

$$s1=5($$−$$3)=8ms2=$$−$$7$$−$$($$−$$3)=$$−$$4ms3=$$−$$3$$−$$7=$$−$$10m$$ Required value $$=s2+s3=($$−$$14)=14$$

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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