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A wheel is made of two solid metal disks glued together. Thecombined moment of inertia of the wheel is 452 kg-m^2. thediameters of the disks are 1.2m and 0.8m. The thicknesses are 20 cm(lg diameter) and 40 cm.
a) What is the mass of the wheel (both disks are made of the samemetal)?
b) If another wheel had the same dimensions, but made of aluminum,what force would be required to lift it off the bottom of a lakethat was 14 feet deep at 40 degrees N latitude at noontime?
A very long, thin rod carries electric charge with the linear density 28.0 nC/m. It lies along the x axis and moves in the x direction at a speed of 15.0 Mm/s. Find the electric field the rod creates at the point.
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to measure signal propagation in a nerve in the arm the nerve is triggered near the armpit. the peak of the action
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To improve the efficiency of the engine, it is decided either to raise the temperature of the hot reservoir by 39 K or to lower the temperature of the cold reservoir by 39 K.
wo people start at the same place and walk around a circular lake in opposite directions. How long will it be before they meet
If the spring is pulled until it stretches 2.40cm and the pack remains at rest, what is the force of friction exerted on the backpack by the table
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