A clock face has negative point charges

Assignment Help Physics
Reference no: EM13659251

A clock face has negative point charges -q,-2q,-3q, · · · ,-12q fixed at the positions of the corresponding numbers. The clock hands do not perturb the net field due to the point charges. At what time does the hour hand point in the similar direction as the electric field vector at the center of the dial?(Hint: utilize symmetry. Answer using the format hh:mm)

Reference no: EM13659251

Questions Cloud

A resistor and an inductor are connected in series : A resistor and an inductor are connected in series. When connected to a 60 Hz, 90 V (rms) source, the voltage drop across the resistor is found to be 55 V (rms) and the power delivered to the circuit is 13 W.
What distance is spring compressed when block momentarily : An inclined plane of angle 20 has a spring of force constant k = 500 N/m fastened firmly is parallel to the surface. A block of mass = 2.50 kg is placed on the plane at a distance d = 0.300 m from the spring.
Decide the required focal length of the eyepiece : The desired overall magnification of a compound microscope is 150X. The objective alone produces a lateral magnification of 10.0X. Decide the required focal length of the eyepiece.
Light reaching the back of the car instantly rings a bell : A 31 m-long rocket train car is traveling from Los Angeles to New York at 0.7c when a light at the center of the car flashes. When the light reaches the front of the car, it instantly sounds a siren. Light reaching the back of the car instantly rings..
A clock face has negative point charges : A clock face has negative point charges -q,-2q,-3q, · · · ,-12q fixed at the positions of the corresponding numbers. The clock hands do not perturb the net field due to the point charges. At what time does the hour hand point in the similar direction..
Eyepiece and objective lens in certain compound microscope : The distance among the eyepiece and the objective lens in a certain compound microscope is 29.2 cm. The focal length of the objective is 0.520 cm, and that of the eyepiece is 1.90 cm. Discover the overall magnification of the microscope.
Object remaining the similar distance from the mirror : A spherical mirror is polished on both sides. When utilized as a convex mirror, the magnification is +1/4. What is the magnification when utilized as a concave mirror, the object remaining the similar distance from the mirror? Give your answer to thr..
Drop of water on countertop reflects light from flower held : A drop of water on countertop reflects light from a flower held3.3 cm directly above it. The flower's diameter is 2.2 cm, and the diameter of the flower's image is 0.13 cm. What is the focal length of the water drop, assuming that it might be treated..
Real image as positive value-virtual image as negative value : An object is placed 12 cm in front of a concave mirror whose focal length is 20 cm. The object is 3.8 cm tall. Establish (a) the location of the image, taking a real image as a positive value and a virtual image as a negative value.

Reviews

Write a Review

Physics Questions & Answers

  Obtain the total angular momentum of the system

a horizontal circular platform rotates counterclockwise about its axis at the rate of 0.805 rad/s. You, with a mass of 67.3 kg, Calculate the total angular momentum of the system

  Decide the angular speed of the wheel

An automobile tire has a radius of 0.380 m, and its center moves forward with a linear speed of v = 18.0 m/s. Decide the angular speed of the wheel.(Assume that there is no slipping of the surfaces in contact during the rolling motion.)

  Assume a simple dependence of pressure in a ventricle

The systolic pressure is 0.158 atm and the diadtolic pressure is 0.150 atm in the heart. If the volume pumped in one heartbeat is 75cm3 calculate the work done in a heartbeat. Assume a simple dependence of pressure in a ventricle.

  Capacitance of capacitor and whats us current in voltmeter

A capacitor initially with a voltage of 10v is connected to a voltmeter of internal resistance of 2 Mega Ohms . After a time of 4 sec the voltmeter reads 5.0 volts.

  What is the displacement of the string

A long string of tension T and mass density η is attached to a small sphere of mass m. What is the displacement of the string on the right side of the mass

  How many kilomoles of oxygen are in the tank

A tank of volume 0.5 m^3 contains oxygen at a measure of 1.5 x 10^6 Pa and a temperature at 20 degrees C. How many kilomoles of oxygen are in the tank

  How much time does it take to lift the piano

A 3 x 10^2 kg piano is being lifted at a steady speed from groundlevel straight up to an apartment 10.0 m above the ground. Thecrane that is doing the lifting produces a steady power of 4.00 x10^2 W. How much time does it take to lift the piano?

  How much power is intercepted by the ear

A typical adult ear has a surface area of 1.45 × 10-3 m2. The sound intensity during a normal conversation is about 2.49 × 10-6 W/m2 at the listener's ear. How much power is intercepted by the ear

  What is the liquids density and specific weight

A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.

  He-ne lasers are often used in physics demonstrations they

he-ne lasers are often used in physics demonstrations. they produce light of wavelength 633 nm and a power of 0.700 mw

  Determine the directional angle is relative to due south

a small aircraft is headed due south with a speed of 57.8 m/s with respect to still air. Determine the directional angle is relative to due south

  Evaluate what is the gas pressure

A nebula?a region of the galaxy where new stars areforming?contains a very tenuous gas with 128 atoms/cm3. What is the gas pressure

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd