Consider-that-two-cars-are-accelerating-along-the-same-road-and-if-the-distance-between-them-was-observed-to-be-increasing-what-deduction-can-you-make-as-regards-the-acceleration-a-it-implies-that-t

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Question Number 30614 by NECx last updated on 23/Feb/18

$$Considerthattwocarsare$$$$acceleratingalongthesameroad$$$$andifthedistancebetweenthem$$$$wasobservedtobeincreasing,what$$$$deductioncanyoumakeasregards$$$$theacceleration?$$$$a)itimpliesthatthetrailingcar$$$$hasthesmalleracceleration$$$$b)itimpliesthatthetwocarsare$$$$acceleratingatthesamerate$$$$c)itimpliesnothingaboutthe$$$$acceleration$$$$d)itimpliesthattheleadingcar$$$$hasthegreateracceleration.$$

Answered by chintan005@ last updated on 23/Feb/18

$$\mathrm{ans}\mathrm{is}\mathrm{d}$$

Commented by NECx last updated on 23/Feb/18

$$pleasedowelltoexplainwhyyou$$$$choseDasananswer.I^{\prime }mmore$$$$confusedbecausethetextbooksays$$$$Casanswerand{there}^{\prime }sno$$$$explanation.Thanks.$$

Commented by MJS last updated on 24/Feb/18

$$\mathrm{it}\mathrm{says}\mathrm{nothing}\mathrm{about}\mathrm{the}\mathrm{acceleration}$$$$\mathrm{because}\mathrm{we}{\mathrm{don}}^{\prime }\mathrm{t}\mathrm{know}\mathrm{the}\mathrm{initial}$$$$\mathrm{speeds}\mathrm{of}\mathrm{the}\mathrm{cars}.\mathrm{the}\mathrm{leading}\mathrm{car}$$$$\mathrm{could}\mathrm{still}\mathrm{be}\mathrm{faster}\mathrm{even}\mathrm{if}\mathrm{its}\mathrm{acc}.$$$$\mathrm{is}\mathrm{lower}$$

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