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A 4.0 kg mass and a 3.0 kg mass are attached to the opposite ends of a thin 42.0 cm long horizontal rod. The system is rotating at angular speed w=5.50 rad/s about a vertical axle in the center of the rod.Determine
(a) the kinetic Energy of the system, and
(b) the net force on each mass.Reapet part (a) and (b) assuming thet the axle passes through the center of mass of the system.
An electric vehicle starts from rest and accelerates at a rate of 1.7 m/s2 in a straight line until it reaches a speed of 27 m/s. How much time elapses from start to stop
Compute the net electric flux through the hull of the submarine. Is the number of electric field lines leaving the submarine greater than, equal to, or less than the number entering it?
If no, then what will happen if 30 kilocalories of heat is added to the water? Give a numerical result as part of your answer.
A home (volume = 1000 m3) built in 1946 has urea formaldehyde insulation, which outgases into the home at a rate of 5 ng/hr, What is the steady state concentration (C) of formaldehyde in the home
Two forces, F1 vector and F2 vector, act at a point. F1 vector has a magnitude of 8.40N and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. What is the magnitude of the resultant force
Sound with a frequency of 431 Hz travels through steel. A wavelength of 11.27 m is measured. determine the speed of the sound in steel
What is the tension in (a) the nearer (relative to the person) cable and (b) the farther (relative to the person) cable.
find coefficient of kinetic friction between m1 and shelf.
In fair weather, over flat ground, there may be a downward electric field of 155 N/C. Calculate the charge density of the air
A flat coil enclosing an area of 0.08 m2 is rotating at 57 rev/s, If there are 998 turns on the coil, what is the maximum voltage induced in the coil
The radii of curvature of the surfaces of a thin converging meniscus lens are R1 = 12.0cmand R2 = 28.0cm. Is the final image erect or inverted with respect to the original object
A proton, which is the nucleus of a hydrogen atom, can be modeled as a sphere with a diameter of 2.4 fm, what is the density of the proton
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