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(a) A hollow, conducting spherical shell, of radius 3.50 cm, has charge ?9.14×10?5 C. What is the strength of the electric field 2.50 m from the center of the sphere?
(b) What is the direction of the field?
(c) A solid conducting sphere of the same radius has charge +9.14×10?5 C. What is the strength of the electric field 2.50 m from the center of the sphere?
(d) What is the direction of the field?
Water at 900 psi, 800ºF undergoes an adiabatic, reversible process until the pressure is 1 psi. Find the phase of the final state
A ray of light travels through 3 materials whose surfaces are parallel to each other. The refracted rays (but not the reflected rays) are shown as the light passes through each material. Find the indices of refraction in these two media
In a typical game of squash, two people hit a soft rubber ball at a wall until they are about to drop due to dehydration and exhaustion. What will be the temperature increase of the ball after one bounce
An electron starts from rest 5.00 cm from the center of a uniformly charged sphere of radius 4.00 cm. If the sphere carries a total charge of 1.00 x10-9 C, how fast would the electron be moving when it reaches the surface of the sphere.
In the school cafeteria, a trouble-making child blows a 10.0 g spitball through a 30.0 cm straw. What was the maximum force on the spitball
A steel wire of length 1.97 with circular cross section must stretch no more than 0.260 when a tensile (stretching) force of 400 is applied to each end of the wire. What is the minimum diameter necessary.
Heat is added to 1.00 10^3 cm^3 of water at atmospheric pressure. The water's temperature increases by 30.9°C. Find the increase in the water's internal energy
An archer lines up an arrow on the horizontal exactly dead center on a target. She releases the arrow, and it strikes the target a distance h=7.6cm below the center. how long was the arrow in the air before striking the target
A particle moving along the x-axis has its position described by the function x =( 5.00 t3? 3.00 t+ 2.00 )m, what are the particle's position, velocity and acceleration
What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to four times the Earth's radius before coming to rest momentarily
The power required by an ice maker is 225 W and is the rate at which it does work. determine the maximum amount of ice the unit can produce in one day
You have been instructed to calculate the amount of time it would take to drain 3/4 of a full, open tank in the shape of a octagon. Water flows from the tank at a rate (Q) that decreases with time.
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