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A conducting slab (think of a large flat sheet of metal) is large compared to the size of individual particles and molecules and carries an excess positive charge.
a) Where does the excess charge reside?
b) What is the electric field inside the conductor?
c) Suppose we were able to inject charged particles into the slab so that their initial velocity was parallel to the long sides of the slab. What is the acceleration of these particles? (Assume the charged particles do no interact with the molecules that make up the lattice of the conductor).
Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
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A heat engine, in each cycle, takes in 750 J of heat and exhausts 300 J of heat. what is the smallest possible high temperature for the engine cycle
A 35-mm slide (picture size is actually 24 by 36 {mm) is to be projected on a screen 2.10 m by 3.15 m placed 5.30 m from the projector. What focal-length lens should be used if the image is to cover the screen? Answer to be in mm please.
A box of mass 5.8 kg is accelerated from rest by the force across a floor at a rate of 2.0 m/s2 for 8.2 s. Find the net work done on the box.
A 31.0-kg crate rests on a horizontal floor, and a 72.5-kg person is standing on the crate. Determine the magnitude of the normal force that the crate exerts on the person
The tungsten filament of a certain 100 W light bulb radiates 4.00 W of light. Find the filament's temperature
The focal length of an objective lens is 4.60mm . The image formed by this lens is 145mm from its focal point. find the magnitude of the angular magnification of the microscope
A 7.80-g bullet moving at 610 m/s penetrates a tree trunk to a depth of 5.80 cm, Use work and energy considerations to find the average frictional force that stops the bullet
A container at 25°C holds 0.50 moles of helium at a pressure of 2.5 atm. What is the volume of the container
A boy in a wagon is moving at 3.1 m/s east when another boy begins pulling on the wagon in the direction opposite to its motion at 1.25 m/s^2. How far from the starting point is the wagon
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