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A gallon of gasoline provides 1.3 x 108 (ten to the eighth power) Joules.
1. If all of this energy could be converted to electricity with an efficiency of 100%, what would be the retail value of the electricity ?
2. If the energy in gasoline could be used with perfect efficiency, how much gasoline would it take to lift a car with mass 2000 kg from Main St (Manyunk) to here ?
A point charge of -3 µC is located at x = 2 m, y = -2 m. A second point charge of 12 µC is located at x = 1 m, y = 4 m. Find the magnitude and direction of the electric field
A projectile is fired from the ground (initial height is same as the ground) in a field so that no obstacles are in the way. What is the maximum height the projectile reaches
q1. a cannonball shot with the initial velocity of 129 ms at an angle of 36deg follows a parabolic path and hits a
What is the direction of the electric field at point P and determine the linear charge density. Put your answer in terms of q, L, a, and physical constants.
A fan is rotating at a rate of 740 rpm. When the motor is turned off, What is the angular acceleration of the blades as they slow down
Two particles with masses 2m and 6m are moving toward each other along the x axis with the same initial speeds vi. Find the final speeds of the particles
Radio waves of wavelength 104 m from a galaxy reach a radio telescope by two separate paths, Find the height of the radio telescope dish above the water
Magnetic resonance imaging (MRI) is a medical technique for producing pictures of the interior of the body. Find the smallest time period during which the field can be allowed to vanish if the magnitude of the average induced emf is to be kept less ..
A diffraction grating with 504 lines/mm is illuminated with light of wavelength 305 nanometer. Determine the angular separation between the two lines
A block of mass 7.1 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of 41.0 N at an angle 34.9° above the horizontal, What is the magnitude of the normal force exerted on the mass
Two blocks connected by a massless rope are placed on an inclined plane as pictured on the right. What is the relationship between the two masses in order for the system to not move
A dc motor is connected to a constant emf of 15.6 V. The resistance of its windings is 2.0 ohms. What is the back emf induced in the windings at normal speed
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