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A body starts moving from rest and travels with uniform acceleration for 4 seconds and gains velocity 30 m/s. Then it continues to move with uniform velocity for 4 seconds. Then it starts retarding uniformly and comes to rest in further 2 seconds. The total covered distance by the body within the interval 4 s to 10 s is |
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Answer» From the QUESTION a GRAPH is DRAWN above, AREA of v−t graph⟹ DISTANCE travelled vavg=t1+t2+t38s 21vm×t1=s t1=vm2s t2×vm=2s t2=vm2s 21×t3×vm=5s t3=vm10s vavg=vm2s+vm2s+vm10s8s vmvavg=74 ________________________________ |
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