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# Kinematics

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A plane initially flying at 120 m/s [E] accelerates at 5.6 m/s^2[W] for 20.0 s.
a)What is plane's final velocity?
b) What is plane's displacement in this time?

A bullet leaves the muzzle of a gun with a velocity of 410m/s. The length of the gun barrel is 0.50m.
a) What is average velocity of the bullet inside the barrel of the gun if the bullet starts from rest?
b) How long does the bullet remain in the gun barrel once it is fired?
c) What is the acceleration of the bullet inside the gun barrel?

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#### Solution Summary

The expert determines the kinematics of a plan. The plans displacement in the time is determined. A step by step solutions provided.

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