1.

Initial velocity of a particle moving along a straight line is 10 m/s and its retardation is\[\text{2 m}/{{\text{s}}^{\text{2}}}\]. Distance covered by the particle in the fifth second of its motion is

A.  1 m  
B.  19 m
C.  50 m                    
D.  75 m
Answer» B.  19 m


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