Ahorizontal spring has a 0.25kg block attached to it. the spring is compressed 23cm. at this point the force of friction and the force on the spring are in balance. determine the spring constant if the coefficient of static friction between the block and surface is 0.41.
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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 nยทs/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.
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Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?
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Ahorizontal spring has a 0.25kg block attached to it. the spring is compressed 23cm. at this point t...
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