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Two plates of area 50.0 cm2 are separated by a distance of 0.0370 cm. If a charge separation of 0.0340 ?C is placed on the two plates, calculate the potential difference (voltage) between the two pl
A long pipe of outer radius 3.40 cm and inner radius 2.89 cm carries a uniform charge density of 2.22 mC/m3. Using Gauss\'s law and assuming the pipe is sufficiently long to consider it infinitely l
The string is 1.40 long and the ball has a radius of 0.140 with mass 0.370 What is the tension in the rope? What is the force the pole exerts on the ball?
A scuba diver releases a 2.21 -diameter (spherical) bubble of air from a depth of 13.2 in a lake. Assume the temperature is constant at 298, and the air behaves as a perfect gas. How large is the bu
For a soap solution with index of refraction of 1.09, find the minimum wall thickness that will enhance the reflection of light of wavelength 715 nm in air.
A glass sheet 1.10 ?m thick is suspended in air. In reflected light, there are gaps in the visible spectrum at 536 nm and 625.00 nm. Calculate the minimum value of the index of refraction of the gla
You illuminate a slit of width 0.0575 mm with light of wavelength 715 nm and observe the resulting diffraction pattern on a screen that is situated 2.29 m from the slit. What is the width, in centim
Now you can use your ruler to measure that the central bright circle is 20.2 cm in diameter. What is the diameter of the needle?
Using a 699-nm wavelength laser, you form the diffraction pattern of a 0.111-mm wide slit on a screen. You measure on the screen that the 14th dark fringe is 8.25 cm away from the center of the cen
After flying for 15 min in a wind blowing 42 km/h at an angle of 34° south of east, an airplane pilot is over a town that is 54 km due north of the starting point. What is the speed of the airp
An ideal (Carnot) engine has an efficiency of 25%. If it were possible to run it backward as a heat pump, what would be its coefficient of performance?
A charge of 2.0 micro coulomb is located in a uniform electric field of intensity N/C. What is the magnitude of the work is required to move this charge 50 cm along a path making an angle of 60°
The electric field on the axis of a uniformly charged ring has magnitude 380 kN/C at a point 6.4 cm from the ring center. The magnitude 24 cm from the center is 140 kN/C; in both cases the field poi
The electric field 24 cm from a long wire carrying a uniform line charge density is 2.3 kN/C. What will be the field strength 36 cm from the wire?
Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 1.95 m, are floating at rest on Space Station Freedom between two metal bulkheads. Ball A carries cha
While crossing campus you get your directions mixed up. You start traveling 272 m East; you then travel 103 m traveling 48 North of East; then you travel 306 m West. What is your final distance from w
(Note that A, sometimes called the "footprint" of the object, can have any shape and that the height can, in general, be replaced by the average thickness of the object.
The moment you pass the police car, you realized that you are speeding and start to slow down at a constant acceleration of 1.50 m/s^2. At the same time, the police car starts to accelerate a consta
A vertical force T is exerted on a 7.5 kg body near the surface of the earth. Find the y-component of the acceleration of the body if T= 41.025 N.
A point charge +q is at the origin. A spherical Gaussian surface centred at the origin encloses +q. So does a cubical surface centered at the origin and with edges parallel to the axes. Select T-Tru
A uniformly charged sphere has a potential on its surface of 450 V. At a radial distance of 9.2 m from this surface, the potential is 150 V. What is the radius of the sphere, and what is the charge
The electric field at the surface of the larger sphere is 920 kV/m. Find the surface charge density on each sphere.
What is the electric flux through the top face of the box? (The top face of the box is the face where z=a. Remember that we define positive flux pointing out of the box.)
A 25 g glass tumbler contains 370 mL of water at 24°C. If four 15 g ice cubes each at a temperature of -3°C are dropped into the tumbler, what is the final temperature of the drink? Neglect