Section 2.4 Motion with Constant AccelerationA jet plane

Chapter 2, Problem 13E

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QUESTION:

Problem 13E

Section 2.4 Motion with Constant Acceleration

A jet plane is cruising at 300 m/s when suddenly the pilot turns the engines up to full throttle. After traveling 4.0 km, the jet is moving with a speed of 400 m/s. What is the jet’s acceleration, assuming it to be a constant acceleration?

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QUESTION:

Problem 13E

Section 2.4 Motion with Constant Acceleration

A jet plane is cruising at 300 m/s when suddenly the pilot turns the engines up to full throttle. After traveling 4.0 km, the jet is moving with a speed of 400 m/s. What is the jet’s acceleration, assuming it to be a constant acceleration?

ANSWER:

Step 1 of 2

We need to find out the jet’s acceleration.

Using Kinematics,

                                               \(v_{f}^{2}=v_{i}^{2}+2 a s\)

Implies,

                                              \(a=\frac{v_{f}^{2}-v_{i}^{2}}{2 s}\)

 

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