The Physicist, free to complete her calculations, now measures the angular accel

Question

The Physicist, free to complete her calculations, now measures the angular acceleration of the bottommost dog B3 as 3=8 rad/s² in the counter-clockwise direction. Everything else is the same as before, i.e. the angular velocity of the bottommost dog, B3 equals 12 rad/s in the counter-clockwise direction, dog B1 has a length l= 8 cm, point B is hB = 1.2 cm above the floor, the distance between points A and C is h1 = 3.2 cm and the distance between points C and D is also h1 = 3.2 cm. You should refer to your previous work on this problem in which the hotdogs act as rigid bodies.

angular velocity of bar 1 and 2 are given as -12k.

Find the angular accelerations of hotdogs B1 and B2.

1=

2=

Explanation / Answer

You simply subtract and add the others from the length of the entire thing! sometimes its so easy it hard!

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