1.

A motor car is travelling 30 m/s on a circular road of radius 500 m. It is increasing in speed at the  rate of 2\[\text{m}/{{\text{s}}^{\text{2}}}\]. What is its acceleration?

A.  \[\text{3}.0\text{ m}/{{\text{s}}^{\text{2}}}\]
B.  \[\text{2}.\text{7 m}/{{\text{s}}^{\text{2}}}\]  
C.  \[\text{1}.\text{8 m}/{{\text{s}}^{\text{2}}}\]
D.  \[\text{2}.\text{5 m}/{{\text{s}}^{\text{2}}}\]
Answer» C.  \[\text{1}.\text{8 m}/{{\text{s}}^{\text{2}}}\]


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