1.

A body travels uniformly a distance of (13.8 ±0.2) m in a time (4.0 ± 0.3) s. The velocity of the body within error limits is   

A.          (3.45 ± 0.2) ms-1               
B.                (3.45 ± 0.3) ms-1
C.          (3.45 ± 0.4) ms-1               
D.          (3.45 ± 0.5) ms-1
Answer» C.          (3.45 ± 0.4) ms-1               


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