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A small glass bead charged to 6.9nC is in the plane that bisects a thin, uniformly charged, 10-cm-long glass rod and is 4.0 cm from the rod's center. The bead is repelled from the rod with a force of 800?N .
Part A What is the total charge on the rod?
A vessel whose walls are thermally insulated contains 2.3 kg of water and 0.35 of ice, all at the temperature of 0.0 . The outlet of a tube leading from a boiler in that water is boiling at atmospheric pressure is inserted into the water. How many..
A toy cannon uses a spring to project a 5.24 g soft rubber ball. The spring is originally compressed by 4.96 cm and has a force steady of 8.03 N/m.
If 20 grams of hot water at 80 C is poured into a cavity in a very large block of ice at 0 C, what will be the final temperature of the water in the cavity? How much ice should melt in order to cool the hot water down to this temperature.
What voltage is required to charge a parallel combination of the two capacitors to the equal total energy.
A map of a burned area obtined from remote sensing contains 120 pixels. The remote sensing image shows that the fire is isolated to 73 of 120 pixels.
The first puck is deflected 38 below the +x axis and moves off at 0.37 m/s. Find out the speed and direction of the second puck after the collision.
Illustrate the role of the Sun's differential rotation in the formation of sunspots. Explain (briefly) the 22 year solar cycle, stating its essential features. Estimate the y-component of magnetic force.
Two plastic semicircular rods are arranged into a complete circle with radius 8.5cm. The top half has charge of +15 pC, and the bottom half has charge of -15pC. Determine the magnitude and direction of the electric field at the center of the circl..
What is the maximum speed the car can have at point B for the gravitational force to hold it on the track.
A thin soap film (n = 1.33) has the uniform thickness. When white light strikes the film at normal incidence, blue light (b = 440 nm) is constructively reflected.
The vector shows the weight of the stone. Complete the vector diagram showing another vector that results in zero net force on the stone. Illustrate what is the conventional name of the vector you have drawn?
A steel beam that is 7.00m long weighs 330N. It rests on two supports, 3.00m apart, with equal amounts of beam extending from each end. Suki, who weighs 505 N, stands on the beam in the center and then walks toward one end. How close to the end can s..
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