Question

Asked Sep 13, 2019

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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 3.56×10^{5} kg, its speed is 73.0 m/s, and the net braking force is 4.30×105N, what is its speed 12.0 s later?

How far has it traveled in this time?

Step 1

Acceleration is,

Step 2

Since, brakes are applied, acceleration is negative. Using the equation of motion,

Step 3

Distance travel...

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