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(a) A charge of -250e is uniformly distributed along a circular arc of radius 3.90 cm, which subtends an angle of 44°. What is the linear charge density along the arc? C/m
(b) A charge of -250e is uniformly distributed over one face of a circular disk of radius 2.00 cm. What is the surface charge density over that face? C/m2
(c) A charge of -250e is uniformly distributed over the surface of a sphere of radius 2.00 cm. What is the surface charge density over that surface? C/m2
(d) A charge of -250e is uniformly spread through the volume of a sphere of radius 2.00 cm. What is the volume charge density in that sphere? C/m3
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.56 m from the grating. In the first-order spectrum, maxima for two different wavelengths are separ..
A house is 30.0 ft long and 25.0 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house
A person who weighs 680 N is riding a 98-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. If the gauge pressure in each tire is 6.45 105 Pa, what is the area of contact between each tire and the ..
While running home from second base a 67 kg runner rounds third base at a speed of 3.1 m/s, What is the centripetal force of this turn on third base
A distant galaxy emits light that has a wavelength of 557.1 nm. On earth, the wavelength of this light is measured to be 560.8 nm, Find the speed of the galaxy relative to the earth
Macaroni and cheese packages specify how long to cook the pasta in boiling water. Calculate the concept relating temperature and pressure in cooking of food.
A three level laser has energy levels E 1=1.50 eV, E 2=2.50 eV, and E 3=3.50 eV. Level E 2 is the metastable state. What is the lasing wavelength
A bullet of mass 0.018kg traveling horizontally at a high speed of 290m/s embeds itself in a block of mass 4 kg that is sitting at rest on a nearly frictionless surface.
A mass m is gently placed on the end of a freely hanging spring. The mass then falls 32.0 cm before it stops and begins to rise. What is the frequency of the oscillation
The altitude of a hang glider is increasing at a rate of 6.80 m/s. At the same time, the shadow of the glider moves along the ground at a speed of 15.5 m/s when the sun is directly overhead. Calculate the magnitude of the glider’s velocity.
Objects with masses of 145kg and a 445kg are separated by 0.330m. At what position (other than infinitely remote ones) can the 32kg object be placed so as to experience the net force of zero.
A block is placed at the end of the frictionless ramp and is pulled up the ramp through a solid ball on the end of a string that passes over a frictionless pulley that does not affect the motion of the block or ball. The ramp is 3.40 meters long and ..
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