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The magnitude of a uniform electric field between the two plates is about 2 × 105 N/C. If the distance between these plates is 0.1 cm
A proton, initially traveling in the +x-direction with a speed of 5.00×105m/s, enters a uniform electric field directed vertically upward, What is the strength of the electric field
Two large parallel plates are separated by 0.90cmand carry uniform charge densities equal in magnitude and opposite in sign, Find the magnitude of the charge density on the plates
A crate of potatoes of mass 12.0 kg is on a ramp with angle of incline 30° to the horizontal, Find the frictional force (magnitude and direction) on the crate if the crate is sliding down the ram
A water pipe having a 2.9 cm inside diameter carries water into the basement of a house at a speed of 0.87 m/s and a pressure of 174 kPa, What is the speed and water pressure at the second floor
A fixed system of charges exerts a force of magnitude 9 N on a 3 C charge. The 3 C charge is replaced with a 10 C charge. What is the exact magnitude of the force
Three equal point charges, each with charge 1.45?C, are placed at the vertices of an equilateral triangle whose sides are of length 0.650m
The initial velocity of a 2.28 kg block sliding down a frictionless inclined plane is found to be 1.11 m/s, What is the angle of the plane with respect to the horizontal
You are walking along a small country road one foggy morning and come to an intersection. While you are crossing, you hear an ambulance siren, At what speed is the ambulance traveling
In the experiment you will observe well defined "bumps" in the string, and you will measure their length. What is the relation between this length and the wavelength of the wave
A car in a roller coaster moves along a track that consists of a sequence of ups and downs, Derive a general expression for the speed v of the car
Radiation can supplement the energy needs of a home's water heater, Find what volume of water can be heated per hour from a temperature of 16.0oC to a temperature 61.0oC
Identical point charges of +2.4 ?C are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, Find the sign and magnitude of the third charge
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is a
Two charged particles are located on the x axis. The first is a charge +Q at x = -a. The second is an unknown charge located at x = +3a, What are the two possible values of the unknown charge
A parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 2.90, Find the minimum area of the capacitor plates
A soccer ball is kicked from the ground at an angle of ? = 60 degrees with respect to the horizontal, What is the total horizontal distance, (dm), in meters, traveled by the ball in the time, tm
A diffraction grating with groove spacing of 2 microns is used to observe the balmer series in hydrogen, At what angle will the first order cyan line appear
A lens has diameter of 30 mm, What is the lens' theoretical resolution limit (in nm) when it is used in air with light of 550-nm wavelength
The charges 5.92 ?C, ?8.8 ?C, 40.7 ?C, and ?86 ?C are located inside a submarine, Calculate the net electric flux through the submarine
A charge of 16.8 ?C is at the geometric center of a cube, What is the electric flux through one of the faces
Animals in cold climates often depend on two layers of insulation: a layer of body fat surrounded by a layer of air trapped inside fur or down, What is the thickness of the air layer
A football is kicked straight up into the air; it hits the ground 3.8s s later, What was the greatest height reached by the ball, Assume it is kicked from ground level
Two point charges q = 74.0 nC and q = -74.0 nC are in vacuum located on the x axis at -30.0 cm and 30.0 cm, calculate the total electric flux through the y-z plane
Two uniform infinite sheets of electric charge densities 41.0 C/m2 and -41.0 C/m2 intersect at a right angle