A rotary engine is running at 8000 rev/min when it runs out of fuel, causing the engine to decelerate at a constant rate. If the angular speed is 4000 rev/min after 3200 revolutions, determine the total time it takes for the engine to stop.
A rotary engine is running at 8000 rev/min when it runs out of fuel, causing the engine to decelerate at a constant rate. If the angular speed is 4000 rev/min after 3200 revolutions, determine the total time it takes for the engine to stop.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 81AP: Consider the equation s=s0+v0t+a0t2/2+j0t3/6+s0t4/24+ct5/120 , were s is a length and t is a time....
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The topic is all about the Angular Motion of Particles. Please use pen and paper to solve and also use three decimal places. Please show the conversion solution. Thank you.
Here are the formulas and discussion:
θ=θ_o+ω_o t+1/2 αt^2
ω=ω_0+αt
ω^2=ω_o^2+2α(θ-θ_o)
considering the tangential and normal components of the acceleration in a curvilinear motion of particles:
a_t=rα
a_n=rω^2=vω
The angular motion may be derived from the translational motion of particles by considering the given circle:
s=rθ
ds/dt=r dθ/dt or v=rω
dv/dt=r dω/dt or a=rα
P.S. I provide also the answer but show me the complete solution on how to get that answer
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