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A uniformly charged thin ring has a radius 15.0 cm and has totalcharge +24.0nC. An electron is placed on the ring's axis a distance30.0 cm from the center of the ring and is constrained to stay onthe axis of the ring. The electron is then released from rest.
a) Describe the subsequent motion of the electron.
b) Find the speed of the electron when it reaches the center of the ring.
At an accident scene on a level road, investigators measure a car's skid mark to be 68-m long. It was a rainy day and the coefficient of friction was estimated to be 0.38. Make use of these data to determine out the speed of the car when the drive..
A stunt driver wants to make his car jump over eight cars parked side by side below a horizontal ramp, what is the new minimum speed
A cube of ice is taken from the freezer at -7.7°C and placed in a99g aluminum calorimeter filled with297g of water at room temperature of 20°C. What was the mass of the ice cube
A child is twirling a 0.0224-kg ball on a string in a horizontal circle whose radius is 0.104 m. The ball travels once around the circle in 0.350 s. Determine the centripetal force acting on the ball
Find the total number of lines in a 2.90 wide diffraction grating whose third-order spectrum has the 640 hydrogen- spectral line at an angular position of 39.0.
A 1348 kg weather rocket is launched straight up. The rocket motor provides a constant acceleration for 13.6 s, then the motor stops. The rocket altitude 29.6 s after launch is 2091 m. You can avoid any effects of air resistance. What was the rock..
A small circular hole 6.90 mmdiameter is cut in the side of a large water tank, 19.0 m below the water level in the tank. The topof the tank is open to the air. Find the volume discharged per unit time
A 2.8 m long pendulum is released from rest when the support string is at an angle of 28° with the vertical. What is the speed of the bob at the bottom of the swing
A bullet of mass 4.00g is fired horizontally into a wooden block of mass 1.26kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.240. What was the initial speed of the bullet
Find out line linking the two point charges
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 65.3°. Find the dispersion of the slab
A small bulb is rated at 7.5 W when operated at 125 V. The tungsten filament has a temperature coefficient of resistivity a = 4.5 ? 10-3 / °C. What is the resistance of the filament (in ohms) at room temperature
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