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Two 12-cm-diameter charged disks face each other, 25 cm apart. Both disks are charged to - 50 nC . What is the electric field strength between the disks, along their common axis, at a point 5.0 cm from one disk? Express your answer to two significant figures and include the appropriate units.
A 6.00 kg box is resting on a table. You push down onthe box with a force of 8.00 N. What is the magnitude of thenormal force of the table on the block
The work function of a particular substance is 4.53 × 10-19 Joule. Find the photoelectric cutoff wavelength for this material
a system is devised to exert a constant force of 8 n on an 80-kg body of mass initially at rest. the force pushes the
A 4.20–kg block is set into motion up an inclined plane with an initial speed of vi = 7.40 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of ? = 30.0° to the horizontal.
A brass rod with a length of 1.40m and a cross-sectional area of 2.37cm2 is fastened end to end to a nickel rod with length L and cross-sectional area 0.720cm2, What is the strain in the nickel rod
A bullet of 0.0500 kg is fired into a block of wood. Knowing that the bullet left the gun with a muzzle velocity of 350. m/s, find The average force required to stop the bullet
To monitor the breathing of a hospital patient, a thin belt (a 200-turn coil) is placed around the patient's chest. Suppose that the belt has a radius of 20cm and when the patient inhales, the belt expands to a radius of 20.5cm.
A 603.7-W space heater is designed for operation in Germany, where household electrical outlets supply 230 V (rms) service. What is the power output of the heater
An air-filled toroidal solenoid has a mean radius of 15.0 and a cross-sectional area of 5.02, What is the least number of turns that the winding must have
Light shines through a single slit whose width is 5.6 104 m. A diffraction pattern is formed on a flat screen located 4.0 m away. What is the wavelength of the light
A 310 turn solenoid with a length of 18.0 cm and a radius of 1.30 cm carries a current of 1.70 A. Calculate the change in the magnetic flux through the 4-turn coil during the same period
A scuba diver is 48 m below the surface of a lake, where the temperature is 5°C. He releases an air bubble with a volume of 17cm3. The bubble rises to the surface.
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