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whole solution is in the pic :)
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dhwanikpatel2002:
Answer is wrong
oops! sorry .... right ans. is 15m
i did it but sorry ..... someone reported my answer so... i can't edit it
average velocity is equal to total distance upon total time ......
i used wrong formula
It's ok
15 m is right answer
x1 = a + b(2)^2 = a + 4b , x2 = a + b(4)^2 = a + 16b .... total distance travelled = x2 - x1 = 12b = 30 m ..... and total time taken = 2 sec .... so, average velocity = 30/2 = 15 m /sec
ya but.. sorry again!
It's ok
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