1.

startingformresta cars moves with unifrom acceleration and attians a velocity of 20 ms^(-1) and 4 s. It then moves what a unifromvelocity of 20 ms^(-1) for 6s. The brakesare appliedand the car is brought to rest in 10s under unifrom retardation . Drawthe velocity groupfor themotion. using theis graph , find (i) the acceleration ofthe car duringthe frist4 s (ii)ua retardation during the last 10 s and (iii) the totaldistance traveledby the car .

Answer»


ANSWER :` (i) 5 ms ^(-2) (ii) 2 ms ^(-2) ` (iii) 260 m


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