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A 5-kg uniform disk is attached to the 3-kg uniform rod BC by means of a frictionless pin AB. An elastic cord is wound around the edge of the disk and is attached to a ring at E. Both ring E and rod BC can rotate freely about the vertical shaft. Knowing that the system is released from rest when the tension in the elastic cord is 15 N, determine
(a) the angular acceleration of the disk,
(b) the acceleration of the center of the disk
A 300-g mass at the end of a spring oscillates with an amplitude of 7.0 cm and a frequency of 1.80 Hz. (a) Find its maximum speed and maximum acceleration. (b) What is its speed when it is 3.0 cm from its equilibrium position?
A cylindrical tank with a large diameter is filled with water to a depth D = 0.310 m. What is the rate at which water flows out, in cubic meters per second
Consider a spherical closed surface, containing some protons. the total electric flux through the surface is 7 x 10-5 Nm2/C. How many protons are inside the surface
A violin string vibrates at 264 Hz when unfingered. At what frequency will it vibrate if it is fingered one fourth of the way down from the end
How much longer after the switch is thrown to position b will 30% of the charge on the capacitor have bled off? What is the instantaneous power dissipated through R2 at that time?
A hollow cylinder (hoop) is rolling on a horizontal surface at speed 4.3 when it reaches a 11incline. How far up the incline will it go
Two 4.0cm × 4.0cm square aluminum electrodes, spaced 0.70mm apart are connected to a 200Vbattery, What is the charge on the positive electrode
A charge of +5 C is located at the origin, and a charge of -20 C is located at x = 2 m, i.e., 2 m away from the origin on the x-axis. where along the x-axis in units of meters is the Coulomb force equal to zero
A uniform door weighs 50-N and is 1.0 m wide and 2.70m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
he wavelength of an electromagnetic wave inside water (nwater = 1.33) is ? = 660 nm. find the wavelength of the same electromagnetic wave
A highly polished silver hemisphere of radius R rests with its base on a level table. What must be the diameter of the beam if light from the outer edges of the beam is reflected horizontally
Sketch a principle ray diagram showing the formation of the image. compute the position, size, orientation (erect or inverted), and nature (real or virtual) of the image.
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