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A converging lens with focal length of 11.8 cm is placed in contact with a diverging lens with a focal length of 21.1 cm. What is the focal length of the combination?
What is the electric potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)" Use = 8.85 10 12 for the permittivity of free space.
a right- moving EM wave overlaps with a left-moving wave so in a certain region of space the total electric field in the y-direction, Determine the Poynting Vector
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1040 Hz, What is the speed of the bird, expressed as a percentage of the speed of sound
The pressure in a water pipe in the basement of an apartment house is 4.10x10^5 Pa, determine the height between the basement and the seventh floor
A 500g particle has velocity vx = -5.0m/s at t = -2s. Force Fx = (4-t^2)N is exerted on the particle between t = -2s and t = 2s. What is the particle's velocity at t = 2s
How much energy would be required to break a helium nucleus into its constituents, two protons and two neutrons? The rest masses of a proton
A piece of tin has a mass of 25g and a volume of 4.3cm^3 a)what is the mass of 1 cm^3 b) what is the volume of 1g of tin c) what is the density of the tin d) what is the mass of 34cm^3 of the same type of tin e) what is the volume of 130g of the s..
One of the most powerful cranes in the world operates in Switzerland. It can slowly raise a load of M = 5230.0 tonnes to a height of h = 12.0 m, How much work is done by the crane
The temperatre result in each measurement are listed below, write down the formula for mean and calculate the temperature mean value
You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state building. Before the state legislature votes on funding for the project.
Two speakers, one directly behind the other, are each generating a 152-Hz sound wave. What is the least separation distance between the speakers that will produce destructive interference at a listener standing in front of them.
To clear the net, the ball must rise at least 0.294 m. If the ball just clears the net at the apex of its trajectory, explain how fast was the ball moving when it left the racquet?
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