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Determine the moment of inertia of a long bar of length "L" rotating about an perpendicular to the bar at (1 / 4) of its length. Give the result in terms of the length of the bar "L" and its mass "M" (ignore the thickness of the bar).
a magnet and coil are oriented as shown in figure 25.50.the magnet is moved rapidly into the coil heldstationary in the
A refrigerator does 18.0 kJ of work while moving 115kJ of thermal energy from inside the refrigerator. what is its coefficient of performance
A block weighing 77.5 N rests on a plane inclined at 25.0° to the horizontal. A force F is applied to the object at 35.0° to the horizontal, pushing it upward on the plane. Coefficients of static and kinetic friction between the plane and the block a..
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." what is the "hang time"
A plane light wave with wavelength .60 micrometers falls normally on the face of a glass wedge with reflecting angle 15 degrees. The opposite face of the wedge is opaque and has a slit of width b=10
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 7.28 m/s2. Determine the orbital period of the satellite
A diffraction grating 1.5 mm wide produces the 5th order at 45 degrees with light of wavelength 650 nm on a screen 80 mm away. Suppose a transparent rectangular case of water is placed 60 mm to the right of the diffraction grating. What is the angle ..
A 21.5 µF spherical capacitor is composed of two metallic spheres, one having a radius twice as large as the other, determine the volume of this region
You shoot an arrow into the air. Two seconds later (2.00 s) the arrow has gone straight upward to a height of 26.0m above its launch point. What was the arrow's initial speed
a compute the order of magnitude of the mass of a bathtub half full of water. bathtub. assume the tub measures 1.3 m by
A certain type of propeller blade can be modeled as a thin uniform bar 2.50m long and of mass 26.0kg that is free to rotate about a frictionless axle perpendicular to the bar at its midpoint. find the maximum angular acceleration the blade could ac..
A spelunker is surveying a cave. He follows a passage that goes 178 m straight west, then 214 m in a direction 45° east of south, determine the fourth displacement
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