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A jet plane with a mass of 363000 kg travels east at 936 km/hr. Air resistance...

A jet plane with a mass of 363000 kg travels east at 936 km/hr. Air resistance exerts a force of 936 kN to the west, while the jet engines provide a thrust on the airplane of 936 kN to the east. What is the change in the plane's horizontal velocity after 397 s?

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