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The hoop is cast on the rough surface such that it has an angular velocity ω=4
rad/s and an angular acceleration α=5
rad/s2. Also, its center has a velocity of vO=5
m/s and a deceleration aO=2
m/s2. Determine the magnitude of the acceleration of point B and its direction angle measured CCW from the x
positive axis
Select one:
A. aB=5.04
m/s2; and θ=170.31∘
B. aB=7.81
m/s2; and θ=162.62∘
C. aB=9.29
m/s2; and θ=151.34∘
D. aB=6.86
m/s2; and θ=160.12∘
Transcribed Image Text:The hoop is cast on the rough surface such that it has an angular velocity o = 4 rad/s and an angular acceleration
a = 5 rad/s?. Also, its center has a velocity of vo = 5 m/s and a deceleration ao = 2 m/s?. Determine the magnitude of the
acceleration of point B and its direction angle measured CCW from the x positive axis.
4Y
ao
vo
/45°
0.3 m
B
Select one:
O A. ag = 5.04 m/s?; and 0 = 170.31°
O B. ag = 7.81 m/s?; and 0 = 162.62
O C. ag = 9.29 m/s²; and 0 = 151.34°
O D. ag = 6.86 m/s²; and 0 = 160.12*
%3D
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