1.

At a certain height a body at rest exlpoles into two equal fragements with one fragment receiving a horizontal velocity of 10 ms^(-1). The time interval after the exlosion for which the velocity vectors of the two frgaments become perpendicular to each other is (g = 10ms^(-2))

Answer»

1s
2 s
1.5 s
1. 75 s

Answer :A


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