Question: In order to uncoil electrical wire from a 0.6-m-radius spool fixed to a truck, a worker drives to the left with a speed of v

In order to uncoil electrical wire from a 0.6-m-radius spool fixed to a truck, a worker drives to the left with a speed of v_A = 5 m/s. At the same time, a second worker holds the cable as he walks to the right with a speed of v_B = 3 m/s. Knowing that at the instant shown the thickness of wire on the spool is 40 mm, determine

(a) The instantaneous center of rotation of the spool,

(b) The velocity of point D on the inside of the spool. Fig. P15.78 and P15.79 Hidbitkil VB

Fig. P15.78 and P15.79 Hidbitkil VB

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