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(20 pts) For the instant shown, link CB is rotating counterclockwise at a constant rate N = 4 rad/s, and its pin A causes a
clockwise rotation of the slotted member ODE. Determine the angular velocity 𝜔𝑂𝐷𝐸 and angular acceleration 𝛼𝑂𝐷𝐸 at
this instant, and the velocity and the acceleration of the pin A relative to the slot ED.
MATCHED WITH PROBLEM 5/176 FROM THE BOOK (7th edition)
Verified Perfect Score Student Solution:
(15 pts) A spacecraft is in a circular orbit of radius 3R around the Moon. At point A, the spacecraft ejects a probe which is
designed to arrive at the surface of the Moon at point B.
Assume 𝑔𝑀𝑜𝑜𝑛 is known.
Determine the necessary velocity 𝑣𝑟𝑒𝑙 of the probe relative to the spacecraft just after the ejection.
MATCHED WITH PROBLEM 3/298 FROM BOOK (6TH ed)
(15 pts) A particle weighing 𝑤 = 6.44 lb moves on smooth horizontal plane as shown. Throughout the motion a force of
magnitude 𝐹 = 4𝑟 3 acts on the particle and is always directed toward the fixed point O. The force is in pounds when r
(distance from the particle to center O) is in feet.
Determine the velocity of the particle at point A, if the particle reaches a maximum distance from center O of 𝑟𝑚𝑎𝑥 =
8 𝑓𝑡 at point B.