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Two 1.5 cm -diameter disks face each other, 2.0 mm apart. They are charged to 9.0 nC .
Part A: What is the electric field strength between the disks?
Part B: A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk?
Christy has a grandfather clock with a pendulum that is 1.000 m long. If the pendulum is modeled as a simple pendulum, what would be the period
Consider laser eye surgery, in which laser light with a wavelength of 426 nm at a power output of 1.6 W is used to reattach a detached retina. how many photons are emitted by the laser
A 151 kg car rounds a curve of radius 163 m at 46 m/s. The acceleration of gravity is 9.8 m/s2 . What force must the road exert on its tires to hold the car on course? find out its speed when it has moved?
Water at a gauge pressure of P = 3.4 atm at street level flows into an office building at a speed of 0.90m/s through a pipe 5.6 cm in diameter. find the gauge pressure in the pipe on the top floor
the resistivity of a semi conductor can be modified by adding different amounts of impurities. a rod of semi conducting
In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?
A 4 kg dog stands on one end of a 20 kg boat. The dog is initially 6 m from the shore, How far has the boat moved after the dog has walked the 2m
An object 0.600cm tall is placed 16.5cm to the left of the vertex of a concave spherical mirror having a radius of curvature of 24.0cm. Determine the orientation of the image
an emergency vehicle siren is designed to emit an 8000 hz sound. you hear a 9143 hz tone as it approaches you at 40.0ms
A long straight metal wire of radius r1= 3.30E-2 m is bounded by a metalic cylindrical shell of inner radius r2= 1.39 E-1 m and outer radius r3= 1.84E-1 m.
Explain in terms of Newton's law each of the following situations. How does a bumblebee hover in midair
A foam ball of mass 0.150 g carries a charge of -2.00 nC. The ball is placed inside a uniform electric field, What are the magnitude and direction of the electric field
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