Question

8. What is the velocity of the body at the end of 3 second?


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Answer 1

Answer:

26=u+a(4) -----1

58=u+a(12) -----2

98=u+a(22) ------3

From (1)and (2) we get

32=8a

a=4

From (2) and (3) we get

40=10a

a=4

So, acceleration is constant

Hence, the option A is correct answer.