In 1980, over San Francisco Bay, a large yo-yo was released from a crane. Suppose the yo-yo was 108 kg, and it consisted of two uniform disks of radius 40.0 cm connected by an axle of radius 4.00 cm. What was the magnitude of the acceleration of the yo-yo during (a) its fall and (b) its rise
Answers: 1
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Athin plate moves between two parallel, horizontal, stationary flat surfaces at a constant velocity of v = 7.5 m/s. the two stationary surfaces are spaced 4 cm apart, and the medium between them is filled with oil whose viscosity is 0.9 nΒ·s/m2. the part of the plate immersed in oil at any given time is 2 m long and 0.5 m wide. if the plate moves through the mid-plane between the surfaces, determine the force required to maintain this motion. what would your response be if the plate was 1 cm from the bottom surface (h2) and 3 cm from the top surface (h1)? if the plate moves through the mid-plane between the surfaces, the force required to maintain the motion will be n. if the plate was 1 cm from the bottom surface (h2) and 3 cm from the top (h1) surface, the force required to maintain the motion would be n.
Answers: 2
In 1980, over San Francisco Bay, a large yo-yo was released from a crane. Suppose the yo-yo was 108...
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