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CBSE Class 11-science Answered

please help me with that
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Asked by rohivaishu700 | 11 Aug, 2020, 01:21: PM
answered-by-expert Expert Answer

position at t=0  : 10+(0)^2-10(0)   :10m

position at t=10:10+(10)^2-10(10):10m

Displacement during 0s to 4s is :10-10:0m

Thus average velocity=displacement/time taken

                                   =0/4

                                   =0m/s

Therefore the correct option is: (A) Zero

 

Answered by Thiyagarajan K | 11 Aug, 2020, 04:55: PM
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