13 2 13 N Case a +6 A- 13 N 13 N Case b Pa Find the ratio of dissipated powers, P 1. = 8 P1 2. P 3. P1 P1 5. P1 6. P1 7. 003 (part 2 of 2) Find Pa. Answer in units of W. 2. ||
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consider the following two cases.
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- A block of mass m = 240 kg rests against a spring with a spring constant of k = 550 N/m on an inclined plane which makes an angle of θ degrees with the horizontal. Assume the spring has been compressed a distance d from its neutral position. Refer to the figure. (a) Set your coordinates to have the x-axis along the surface of the plane, with up the plane as positive, and the y-axis normal to the plane, with out of the plane as positive. Enter an expression for the normal force, FN, that the plane exerts on the block (in the y-direction) in terms of defined quantities and g. (b) Denoting the coefficient of static friction by μs, write an expression for the sum of the forces in the x-direction just before the block begins to slide up the inclined plane. Use defined quantities and g in your expression. (c) Assuming the plane is frictionless, what will the angle of the plane be, in degrees, if the spring is compressed by gravity a distance 0.1 m? (d) Assuming θ = 45 degrees and the…Brick with mass m that resting at the top of the inclined plane that has a height of 4.43 m and has an angle of theta = 15.2 degrees with respect to the horizontal. After begin released, is observed to be moving at v = 0.79 m/s a distance d after inclined plane. With coefficient of kinetic friction between brick and plane u_p = 0.1 and coefficient on horizontal surface is u_r = 0.2. Based in the image attached. What would the distance (meters) would be?Sketch how water curls down a sink, say, in clock-wise rotation. Draw the resulting vector of the curl-operator applied on this water flow.