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Last Updated On [03-11-2023]

On a two-lane road, car  is travelling with a speed of . Two cars  and  approach car  in opposite directions with a speed of  each. At a certain instant, when the distance  is equal to , both being 1 km,  decides to overtakes  before  does. What minimum acceleration of car  is required to avoid an accident?


Question ID - 153859 :-

On a two-lane road, car  is travelling with a speed of . Two cars  and  approach car  in opposite directions with a speed of  each. At a certain instant, when the distance  is equal to , both being 1 km,  decides to overtakes  before  does. What minimum acceleration of car  is required to avoid an accident?

1 Answer
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Answer Key : (1) -

(1)

The situation can be roughly shown in the figure. Let  take time  to overtake

Here

Let acceleration of  be  for overtaking

and  s

Using



Next Question :

A police jeep is chasing a culprit going on a motorbike. The motorbike crosses a turning at a speed of . The jeep follows it at a speed of , crossing the turning 10 s later than the bike

Assuming that they travel at constant speeds, how far from the turning will the jeep catch up with the bike? (In km)


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