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**shadow6** 1. When a Navy fighter lands on an aircraft carrier, a steel cable is used to slow the jet to a stop before it falls off the ship. The fighter stops after a displacement of 100m [w] and a time of 4.0s.

a) Determine the initial velocity of the fighter including direction.

I was thinking of using the equation d = V1(t) + 1/2a(t)^2. The only problem is, no acceleration is given. Would I just leave the acceleration at 0? Or do I have to calculate it using the equation v = a(t). Perhaps I could find delta velocity by dividing 100m [w] by 4.0s? Then divide 25m/s[w] by 4s to get the acceleration? This question has no answers to check, so I just want to be sure I've got the right idea.