1.

A comet is heading for jupiter with axxeleration a = 50 kms^(-2) . The velocity of the comet at time "t" is given by f(t) = at^(2)- at + 1. then the velocity at time t = 5 seconds is ............... .

Answer»

900 `KMS^(-1)`
1001`kms^(-1)`
2001 `kms^(-1)`
50 `kms^(-1)`

Answer :A


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