To use the principle of linear impulse and momentum to relate a force on an object to the resulting velocity of the object at different times. The equation of motion for a particle of mass m can be written as ∑F=ma=mdvdt By rearranging the terms and integrating, this equation becomes the principle of linear impulse and momentum: ∑∫t2t1Fdt=m∫v2v1dv=mv2−mv1 For problem-solving purposes, this principle is often rewritten as mv1+∑∫t2t1Fdt=mv2 The integral ∫Fdt is called the linear impulse, I, and the vector mv is called the particle's linear momentum. A jetliner of mass 8.60×104 kg is in level flight when it encounters a downdraft (a downward wind) that lasts for 1.40 s . The vertical component of the jetliner's velocity is 74.0 m/s after the downdraft subsides. What is the downdraft's average force, F, on the jetliner?
To use the principle of linear impulse and momentum to relate a force on an object to the resulting velocity of the object at different times.
The equation of motion for a particle of mass m
can be written as
∑F=ma=mdvdt
By rearranging the terms and integrating, this equation becomes the principle of linear impulse and momentum:
∑∫t2t1Fdt=m∫v2v1dv=mv2−mv1
For problem-solving purposes, this principle is often rewritten as
mv1+∑∫t2t1Fdt=mv2
The integral ∫Fdt is called the linear impulse, I, and the
A jetliner of mass 8.60×104 kg is in level flight when it encounters a downdraft (a downward wind) that lasts for 1.40 s . The vertical component of the jetliner's velocity is 74.0 m/s after the downdraft subsides. What is the downdraft's average force, F, on the jetliner?
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