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Question: Two flat plates, separated by a space of 4 mm, are moving relative to each other at a velocity of 5 m/sec. The space between them is occupied by a fluid of un-known viscosity. The motion of the plates is resisted by a shear stress of 10 Pa clue to the viscosity of the fluid. Assuming that the velocity gradient of the fluid is constant, determine the coefficient of viscosity of the fluid.
A 2.25×10^4 elevator is to be accelerated upward by connecting it to a counterweight using a light (but strong!) cable passing over a solid uniform disk-shaped pulley. There is no appreciable friction at the axle of the pulley, other than its mass..
If you wanted to develop a telescope, what kind of lenses would you use for the objective lens (the lens that collects the light) and the eyepiece? Explain your reasoning. Draw a picture with ray tracing of your setup.
A 240g mass attached to a horizontal spring oscillates at a frequency of 1.00Hz. At t=0s, the mass is at x= 5.80cm and has vx =44.0cm/s.
it is found experimentally that the electric field in a certain region of earths atmosphere is directed vertically
A) What is the acceleration of the blocks? B) What is the tension in the string?
A CD originally at rest reaches an angular speed of 39 rad/s in 4.8 s. What is the magnitude of its angular acceleration
question a straight line ab with slope passes through the point of intersection of two other straight lines whose
To obtain an estimate from the data, you must make other simplifying assumptions; state what these are.
Sodium coolant with a specic activity of 0.05 Ci/cm3 passes through a long pipe 8 in. in diameter. estimate the thickness of a cylindrical concrete shield
Multiple-Concept Example 8 provides useful background for part b of this problem. What is the angular displacement (in rad) of each wheel
What frequency pulse does the family in the nest detect?
Two electrons are placed at two corners of an equilateraltriangle whose sides are 2.0 nm long. ( 1 nm =10-9m) Calculate the magnitude of the electric potential (referenced to V = 0 at infinity) present at the empty corner of the triangle due to the..
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