1.

At high altitude, a body explodes at rest into two equal fragments with one fragment receiving horizontal velocity of 10 m/s. Time taken by the two radius vectors connecting point of explosion to fragments to make 90° is [EAMCET (Engg.) 1995; DPMT 2000]

A.          10 s                               
B.          4 s
C.          2 s
D.          1 s
Answer» D.          1 s


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