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3. A car at rest starts moving with linear uniformly increasing velocity. After 20 seconds it attains the maximum velocity of 80 m/s. What is the distance covered during this time interval?A. 200mB. 400mC. 800mD. 1600m |
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Answer» u=0m/sv=80m/st= 20sExplanation:LET the DISTANCE be sThus, V^2 - U^2 = 2as6400=2*40*s6400= 80ss=6400/80S=80 METRE |
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