A car accelerates uniformly from rest to attain a speed of 20 m/s after covering a distance of 80 m. It then deaccelerates uniformly and comes to rest after covering further a distance of 160 m. The total time taken for this journey is

8 s

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16 s

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24 s

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12 s

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Solution

The correct option is A 8 s
1) u=0m/s
v=20m/s
s=80m/s

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A car accelerates uniformly from rest to attain a speed of 20 m/s after covering a distance of 80 m. It then deaccelerates uniformly and comes to rest after covering further a distance of 160 m. The total time taken for this journey is

The correct option is A 8 s1) u=0m/sv=20m/ss=80m/s

The correct option is A 8 s
1) u=0m/s
v=20m/s
s=80m/s