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A 747 jetliner lands and begins to slow to a stop as it moves along the runway. The mass is 2.8 105 kg, its speed is 28.5 m/s, and the net braking force is 4.15 105 N.

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    A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10^5 kg, its speed is 27.0 m/s and the net braking force is 4.30 x 10^5 N, (A) what id its speed 7.50 s later? (b) how far has it traveled in this time?

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