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The plates of a spherical capacitor have radii 3.7 cm and 4 cm, with a vacuum in between them. a.) Find the surface area of the inner and outer spherical plates.
You construct a capacitor using a Pyrex drinking glass. The glass is 10 cm tall with an inner radius of 3.4 cm and an outer radius of 3.7 cm. You line the inside and outside curved surfaces with al
Find the magnetic field strength (in Gauss) for a current of 3.7 A in the Helmholtz coils with 145 turn, assuming a coil radius of 15 cm. Express the answer with one decimal place.
An electron is accelerated through an electric potential of 146 V, then enters a 37 Gauss magnetic field in a direction at a right angle to the velocity. Find the radius in cm of the subsequent circ
A magnet is at the end of the Dial-O-Gram balance arm. The arm has an aluminum plate in the magnetic gap. What is the purpose of this magnet system? (You may want to search online for eddy current o
What will be the smallest distance between the two charges after the top charge is released?
The ball sticks in the barrel at the point of maximum compression of the spring. assum that the increase in thermal energy due to friction between the ball and the barrel is negligible. (a) what is
The loop is in a uniform magnetic field of magnitude 90.9 mT whose direction is parallel to the current in the 180 cm side of the loop. What is the magnitude of the magnetic force on:
Two parallel plates of area 5 m2 are separated by a distance of 1.0 x 10-5m. They have charges on them of equal magnitude but opposite sign There is a potential difference of 32 volts from one plate
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at8rev/s.60revolutions later, its angular speed is 19 rev/s.
A current i = 28 A is then sent through the strip such that a Hall potential difference V appears across the width. Calculate V (in V). (The number of charge carriers per unit volume for copper is 8
A sphere of radius 20.0 cm and mass 1.80 kg starts from rest and rolls without slipping down a 30.0º incline that is 10.0 m long. (a) Calculate its linear and rotational speeds when it reaches t
Consider two identical 70-micro-coulomb point charges, each of 65 mg mass. Let them initially be at rest, 40 cm apart. Suppose they are simultaneously released, and accelerate away from each other w
The corner opposite to (and most distant from) point P has charge Q = 47 nanocoulomb. The two corners nearer to P have charges +5Q and -4Q, respectively. Assuming that the potential V = 0 at a great
The total electric flux coming out of a cubical box, that is 28.0 cm on a side, is 128 GNm^2/C (giga newtons times meters squared per coulomb). How many coulombs of charge are enclosed by the box?
A skier of mass 105 kg travels down a ski trail of height 240m. If the skier has a speed of 40 m/s at the bottom of the hill, what is the work done by friction on the skier? (Assume the skier starts
A two stage rocket of mass 751kg traveling at speed 709m/s separates into a first stage of mass 236kg moving at zero speed and a final stage moving at a new speed - find this new speed right after s
Atmospheric pressure is around 1.010×105 Pa. Think about the air pushing on a flat, circular glass window which has a radius of 0.0830m. What is the force with which the air is pushing on one
The ballistic pendulum consists of a stationary 2.50 kg block of wood suspended by a wire of negligible mass. A 0.0100 kg bullet is fired into the block and the block swings a maximum height of 0.65
What magnetic field would be needed to produce a path with the same diameter if the particles were electrons having the same speed as the protons?
A laser beam is sent from the submarine so that the beam strikes 2.10 x 10^2 m from the building standing on the shore and the laser beam hits the target on the top of the building. Use n=1.333 for
A 3.00 m long rod is hinged at one end the rod is initially held in the horizontal position and then released as the free end is allowed to fall what is the angular acceleration as it is released (t
Bernoulli's equation only yields perfect predictions if the following conditions exist: i- The liquid is inviscid; that is, it has no viscosity, and offers no frictional resistance to movement throu
Is it the distance covered by its route of flight (12,450 miles) or the distance measured straight through the center of the earth (7,920 miles)? Suppose the trip took exactly one day. What would be
A parallel-plate capacitor consists of two parallel, square plates that have dimensions 1.0 cm by 1.0 cm. If the plates are separated by 1.0 mm, and the space between them is filled with teflon, wha