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Question: A uniform line charge of linear charge density lambda = 2.9 nC/m extends from x = 0 to x = 5 m.
(a) What is the total charge? nC
(b) Find the electric field on the x axis at x = 6 m. N/C
(c) Find the electric field on the x axis at x = 10 m. N/C
(d) Find the electric field on the x axis at x = 240 m. N/C
(e) Find the field at x = 240 m, using the approximation that the charge is a point charge at the origin. N/C
A yo-yo of mass 0.10kg and a radius of 0.03 m is released from rest, with the free end of the yo-yo string held fixed. Find the acceleration of the yo-yo
The speaker and two microphones shown in the figure are arranged inside a sealed container filled with neon gas. What is the speed of sound in neon gas
You happen to remember someone telling you that for small enough angles, the function sin(x) is well approximated by the value of x. You realize that a frictionless swing acts a lot like a spring---the net force behaves like a restoring force. You..
Determine the number of gallons of water delivered per day by a rubble masonry, 1.2-m-wide aqueduct laid on an average slope of 14.6 m per 50 km if the water depth is 1.8 m.
1. If you exert a force on an object in the direction opposite to its motion, the kinetic energy of the object ___________. Select one: a. remains constant b. increases c. is zero d. decreases 2. Sound waves are _______ waves. Select one: a. Compress..
a dynamite blast at a quarry launches a rock straight upward and 2.3 s later it is rising at a rate of 14 ms. assuming
Determine an expression of the acceleration of each block for case when the blocks have different masses, but the heavier block 1 (mass m1) is positioned higher than the light one.
One type of slingshot can be made from a length of rope and a leather pocket for holding the stone. The stone can be thrown by whirling it rapidly in a horizontal circle and releasing it at the right moment. Such a slingshot is used to throw a sto..
The initial speed of the pebble is 9.0m/s. What is the acceleration (magnitude and direction) of the pebble during the downward motion? Is the pebble decerlating? Explain. After 0.50 S, how far beneath the cliff is the pebble?
What is the angle of refraction of the beam that passes into the glass?
A landing craft with mass 1.26×104 is in a circular orbit a distance 5.90×105 above the surface of a planet. The period of the orbit is 5600. The astronauts in the lander measure the diameter of the planet to be 9.80×106.
In doing a new quantum eraser experiment we rotate the polarization of the light going through one of the arms of the Mach-Zehnder interferometer.
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