1.

A body has an acceleration of\[\text{4m}{{\text{s}}^{-\text{2}}}\]. What is its retardation?

A.  \[-\text{ 4m}{{\text{s}}^{\text{2}}}\]
B.  \[\text{4m}{{\text{s}}^{-\text{2}}}\]
C. zero
D. cannot be decided
Answer» B.  \[\text{4m}{{\text{s}}^{-\text{2}}}\]


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