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A lamp which is 12.0 cm tall is 264.0 cm in front of a converging lens which has a focal length of 80.0 cm, What is the image distance for this lamp and lens combination
A long line carrying a uniform linear charge density +56.0 µC/m runs parallel to and 10 cm from the surface of a large, Find the location of all points on a line perpendicular to the sheet and t
A 0.9 inch tall clock is 29 cm in front of a diverging lens which has a focal length of -30 cm, Determine the image distance and height
A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall, What is the index of refraction of the tank's walls
The electric field in an xy plane produced by a positively charged particle is 4.94(6.9i + 4.4j)N/C at the point (5.9, 5.8) cm, Determine the x and y coordinates of the particle
A research-level Van de Graaff generator has a 1.9-m-diameter metal sphere with a charge of 4.9 mC on it, What is the potential near its surface in MV
How far from a -6.20 microcoulombs point charge must a 2.30 microcoulombs, Calculate the distance in meters
A doubly charged ion is accelerated to an energy of 31.5 keV by the electric field, What is the electric field strength between the plates in V/m
An electron has an initial velocity of 4.9 × 106 m/s in a uniform 1.9 × 105 N/C strength electric field, What is the direction of the electric field
An electric dipole consists of charges +e and -e separated by 0.76 nm. It is in an electric field of strength 2.50 10^4 N/C, What is the torque on the dipole when it is perpendicular to the field
Two rockets having the same acceleration start from rest, but rocket A travels for twice as much time as rocket B, If rocket A reaches a speed of 390m/s , what speed will rocket B reach
Suppose two parallel conducting plates are separated by 0.45 cm of air. Find the maximum potential difference between the two parallel conducting plates in kV
A conducting sphere of radius r1 = 0.29 m has a total charge of Q = 2.2 uC, What is the total charge on sphere two, Q2 in C
A 1.5V battery has an internal resistance of .5 Ohm. If a light bulb with cold resistance of 10 Ohm is placed in a series with the battery, how much current initially flows in the circuit
A thin metallic spherical shell of radius 42.6 cm has a total charge of 6.95, What is the electric field at a distance of 14.4 cm from the center of the spherical shell
Having grown tired of hearing loud music from passing cars at 3 am and the boisterous yelling of bar patrons at closing, If her new home is 2.8 km from the freeway, what's the intensity level there
A goose flying toward you at 11.4m/s emits a squawk, which you hear at 262Hz, Find the wavelength of the sound you hear
A woman is riding a Jet Ski at a speed of 28.8 m/s and notices a seawall straight ahead, what is the minimum distance from the seawall that she can begin making her turn and still avoid a crash
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, How fast are the waves traveling
Four protons, each with charge +e, are fixed at the corners of a square of side length a, Determine magnitude and direction of the electric field E
Three equal positive charges Q are each fixed at a corner of an equiliateral triangle of side length a, Draw a diagram showing the individual electric field vectors due to each charge at the triangle'
Kathy Kool buys a sports car that can accelerate at the rate of 5.20 m/s2. She decides to test the car by racing with another speedster, Find the time it takes Kathy to overtake Stan
A sheet of glass is coated with a 495-nm-thick layer of oil (n = 1.42), What is the color of reflected light and What is the color of the most part of transmitted light
An LC circuit is built with a 50mH inductor and an 8.0pF capacitor, The capacitor voltage has its maximum value of 40V at t=0s, What is the inductor current at that time
Two point charges q1= 2.0x10^-6 C and q2= -3.0x10^-6 C, Find the electric field and the electric potential at a point on the x-axis