1.

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of       [MNR 1998]

A.             \[3\,\,s\]           
B.             \[5\,s\]
C.             \[7\,s\] 
D.             \[9\,s\]
Answer» C.             \[7\,s\] 


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