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A block of mass m is placed against the inner wall of a hollow cylinder of radius R that rotates about a vertical radius w. In order for friction to prevent the mass from sliding down the wall the coefficient of static friction.
A ball is thrown horizontally from the top of a 60.0-m building and lands 100.0 m from the base of the building. Ignore air resistance. What must have been the initial horizontal component of the velocity
two narrow slits 58 microm apart are illuminated with light of wavelength 540 nm. what is the angle of the m 2 bright
During the launch from a board, a diver's angular speed about her center of mass changes from zero to 4.50 rad/s in 220 ms. FIND the magnitudes of her average angular acceleration
An abstract sculpture is constructed by suspending a sphere of polished rock along the vertical with four cables connected to a square wooden frame 1.1 m on a side. If the stone has mass m = 7.5 kg, and the bottom two cables are under a tension of..
You can ignore friction between the sled and surface of the pond. Use the work-energy theorem to find the speed of the sled at 3.00 m.
An LC circuit has zero resistance, no battery, a capacitor C=46microFarads, and an inductor L=0.2H connected in a simple loop. What is the area of one of the plates
At the equator the Earth's magnetic field has a direction horizontal with respect to the ground and toward the north with a magnitude of 5.0 x 10^-5 T. With what velocity (magnitude and direction) must an electron be fired
A coin placed on a turntable rotating at 34.1 rev/min will stay there if its center is placed no further than 10.0 cm from the axis of rotation, What is the coefficient of friction between the coin and turntable
when the pressure on saturated liquid water is suddenly reduced to a lower pressure in an adiabatic and aergonic
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 14.0 m/s. With what speed and angle does the stone land
A 70kg person running at an initial speed of 4m/s jumps onto a120kg cart initially at rest. Determine the displacement of the person relative to theground while he is sliding on the cart
An object with mass 3.8{\rm kg} is attached to a spring with spring stiffness constant 220{\rm N/m} and is executing simple harmonic motion. When the object is 2.1×10?2{\rm m} from its equilibrium position, it is moving with a speed of 0.55 {\rm m..
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